A cognitive disorder marked by an impaired ability to comprehend or express language in its written or spoken form. This condition is caused by diseases which affect the language areas of the dominant hemisphere. Clinical features are used to classify the various subtypes of this condition. General categories include receptive, expressive, and mixed forms of aphasia.
A progressive form of dementia characterized by the global loss of language abilities and initial preservation of other cognitive functions. Fluent and nonfluent subtypes have been described. Eventually a pattern of global cognitive dysfunction, similar to ALZHEIMER DISEASE, emerges. Pathologically, there are no Alzheimer or PICK DISEASE like changes, however, spongiform changes of cortical layers II and III are present in the TEMPORAL LOBE and FRONTAL LOBE. (From Brain 1998 Jan;121(Pt 1):115-26)
The propagation of the NERVE IMPULSE along the nerve away from the site of an excitation stimulus.
An impulse-conducting system composed of modified cardiac muscle, having the power of spontaneous rhythmicity and conduction more highly developed than the rest of the heart.
A type of fluent aphasia characterized by an impaired ability to repeat one and two word phrases, despite retained comprehension. This condition is associated with dominant hemisphere lesions involving the arcuate fasciculus (a white matter projection between Broca's and Wernicke's areas) and adjacent structures. Like patients with Wernicke aphasia (APHASIA, WERNICKE), patients with conduction aphasia are fluent but commit paraphasic errors during attempts at written and oral forms of communication. (From Adams et al., Principles of Neurology, 6th ed, p482; Brain & Bannister, Clinical Neurology, 7th ed, p142; Kandel et al., Principles of Neural Science, 3d ed, p848)
A language dysfunction characterized by the inability to name people and objects that are correctly perceived. The individual is able to describe the object in question, but cannot provide the name. This condition is associated with lesions of the dominant hemisphere involving the language areas, in particular the TEMPORAL LOBE. (From Adams et al., Principles of Neurology, 6th ed, p484)
A form of frontotemporal lobar degeneration and a progressive form of dementia characterized by motor speech impairment and AGRAMMATISM, with relative sparing of single word comprehension and semantic memory.
Tests designed to assess language behavior and abilities. They include tests of vocabulary, comprehension, grammar and functional use of language, e.g., Development Sentence Scoring, Receptive-Expressive Emergent Language Scale, Parsons Language Sample, Utah Test of Language Development, Michigan Language Inventory and Verbal Language Development Scale, Illinois Test of Psycholinguistic Abilities, Northwestern Syntax Screening Test, Peabody Picture Vocabulary Test, Ammons Full-Range Picture Vocabulary Test, and Assessment of Children's Language Comprehension.
Treatment for individuals with speech defects and disorders that involves counseling and use of various exercises and aids to help the development of new speech habits.
Rehabilitation of persons with language disorders or training of children with language development disorders.
A small nodular mass of specialized muscle fibers located in the interatrial septum near the opening of the coronary sinus. It gives rise to the atrioventricular bundle of the conduction system of the heart.
Loss or impairment of the ability to write (letters, syllables, words, or phrases) due to an injury to a specific cerebral area or occasionally due to emotional factors. This condition rarely occurs in isolation, and often accompanies APHASIA. (From Adams et al., Principles of Neurology, 6th ed, p485; APA, Thesaurus of Psychological Index Terms, 1994)
A group of cognitive disorders characterized by the inability to perform previously learned skills that cannot be attributed to deficits of motor or sensory function. The two major subtypes of this condition are ideomotor (see APRAXIA, IDEOMOTOR) and ideational apraxia, which refers to loss of the ability to mentally formulate the processes involved with performing an action. For example, dressing apraxia may result from an inability to mentally formulate the act of placing clothes on the body. Apraxias are generally associated with lesions of the dominant PARIETAL LOBE and supramarginal gyrus. (From Adams et al., Principles of Neurology, 6th ed, pp56-7)
The relationships between symbols and their meanings.
Impaired conduction of cardiac impulse that can occur anywhere along the conduction pathway, such as between the SINOATRIAL NODE and the right atrium (SA block) or between atria and ventricles (AV block). Heart blocks can be classified by the duration, frequency, or completeness of conduction block. Reversibility depends on the degree of structural or functional defects.
A verbal or nonverbal means of communicating ideas or feelings.
Communication through a system of conventional vocal symbols.
Conditions characterized by deficiencies of comprehension or expression of written and spoken forms of language. These include acquired and developmental disorders.
Tests designed to assess neurological function associated with certain behaviors. They are used in diagnosing brain dysfunction or damage and central nervous system disorders or injury.
Abrupt changes in the membrane potential that sweep along the CELL MEMBRANE of excitable cells in response to excitation stimuli.
Transmission of sound waves through vibration of bones in the SKULL to the inner ear (COCHLEA). By using bone conduction stimulation and by bypassing any OUTER EAR or MIDDLE EAR abnormalities, hearing thresholds of the cochlea can be determined. Bone conduction hearing differs from normal hearing which is based on air conduction stimulation via the EAR CANAL and the TYMPANIC MEMBRANE.
Recording of the moment-to-moment electromotive forces of the HEART as projected onto various sites on the body's surface, delineated as a scalar function of time. The recording is monitored by a tracing on slow moving chart paper or by observing it on a cardioscope, which is a CATHODE RAY TUBE DISPLAY.
A receptive visual aphasia characterized by the loss of a previously possessed ability to comprehend the meaning or significance of handwritten words, despite intact vision. This condition may be associated with posterior cerebral artery infarction (INFARCTION, POSTERIOR CEREBRAL ARTERY) and other BRAIN DISEASES.
A major nerve of the upper extremity. In humans, the fibers of the median nerve originate in the lower cervical and upper thoracic spinal cord (usually C6 to T1), travel via the brachial plexus, and supply sensory and motor innervation to parts of the forearm and hand.
Non-invasive method of demonstrating internal anatomy based on the principle that atomic nuclei in a strong magnetic field absorb pulses of radiofrequency energy and emit them as radiowaves which can be reconstructed into computerized images. The concept includes proton spin tomographic techniques.
Measurement of parameters of the speech product such as vocal tone, loudness, pitch, voice quality, articulation, resonance, phonation, phonetic structure and prosody.
The science of language, including phonetics, phonology, morphology, syntax, semantics, pragmatics, and historical linguistics. (Random House Unabridged Dictionary, 2d ed)
Regulation of the rate of contraction of the heart muscles by an artificial pacemaker.
A group of pathological conditions characterized by sudden, non-convulsive loss of neurological function due to BRAIN ISCHEMIA or INTRACRANIAL HEMORRHAGES. Stroke is classified by the type of tissue NECROSIS, such as the anatomic location, vasculature involved, etiology, age of the affected individual, and hemorrhagic vs. non-hemorrhagic nature. (From Adams et al., Principles of Neurology, 6th ed, pp777-810)
A form of apraxia characterized by an acquired inability to carry out a complex motor activity despite the ability to mentally formulate the action. This condition has been attributed to a disruption of connections between the dominant parietal cortex and supplementary and premotor cortical regions in both hemispheres. (From Adams et al., Principles of Neurology, 6th ed, p57)
Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction.
The period of time following the triggering of an ACTION POTENTIAL when the CELL MEMBRANE has changed to an unexcitable state and is gradually restored to the resting (excitable) state. During the absolute refractory period no other stimulus can trigger a response. This is followed by the relative refractory period during which the cell gradually becomes more excitable and the stronger impulse that is required to illicit a response gradually lessens to that required during the resting state.
Personal names, given or surname, as cultural characteristics, as ethnological or religious patterns, as indications of the geographic distribution of families and inbreeding, etc. Analysis of isonymy, the quality of having the same or similar names, is useful in the study of population genetics. NAMES is used also for the history of names or name changes of corporate bodies, such as medical societies, universities, hospitals, government agencies, etc.
A major nerve of the upper extremity. In humans, the fibers of the ulnar nerve originate in the lower cervical and upper thoracic spinal cord (usually C7 to T1), travel via the medial cord of the brachial plexus, and supply sensory and motor innervation to parts of the hand and forearm.
The chambers of the heart, to which the BLOOD returns from the circulation.
Includes both producing and responding to words, either written or spoken.
The nerves outside of the brain and spinal cord, including the autonomic, cranial, and spinal nerves. Peripheral nerves contain non-neuronal cells and connective tissue as well as axons. The connective tissue layers include, from the outside to the inside, the epineurium, the perineurium, and the endoneurium.
Methods to induce and measure electrical activities at specific sites in the heart to diagnose and treat problems with the heart's electrical system.
The study of the generation and behavior of electrical charges in living organisms particularly the nervous system and the effects of electricity on living organisms.
Decrease in the size of a cell, tissue, organ, or multiple organs, associated with a variety of pathological conditions such as abnormal cellular changes, ischemia, malnutrition, or hormonal changes.
Acquired or developmental conditions marked by an impaired ability to comprehend or generate spoken forms of language.
The study of speech or language disorders and their diagnosis and correction.
Impaired impulse conduction from HEART ATRIA to HEART VENTRICLES. AV block can mean delayed or completely blocked impulse conduction.
The act or fact of grasping the meaning, nature, or importance of; understanding. (American Heritage Dictionary, 4th ed) Includes understanding by a patient or research subject of information disclosed orally or in writing.
Heterogeneous group of neurodegenerative disorders characterized by frontal and temporal lobe atrophy associated with neuronal loss, gliosis, and dementia. Patients exhibit progressive changes in social, behavioral, and/or language function. Multiple subtypes or forms are recognized based on presence or absence of TAU PROTEIN inclusions. FTLD includes three clinical syndromes: FRONTOTEMPORAL DEMENTIA, semantic dementia, and PRIMARY PROGRESSIVE NONFLUENT APHASIA.
The most common clinical form of FRONTOTEMPORAL LOBAR DEGENERATION, this dementia presents with personality and behavioral changes often associated with disinhibition, apathy, and lack of insight.
The medial terminal branch of the sciatic nerve. The tibial nerve fibers originate in lumbar and sacral spinal segments (L4 to S2). They supply motor and sensory innervation to parts of the calf and foot.
Behavioral manifestations of cerebral dominance in which there is preferential use and superior functioning of either the left or the right side, as in the preferred use of the right hand or right foot.
Rapid, irregular atrial contractions caused by a block of electrical impulse conduction in the right atrium and a reentrant wave front traveling up the inter-atrial septum and down the right atrial free wall or vice versa. Unlike ATRIAL FIBRILLATION which is caused by abnormal impulse generation, typical atrial flutter is caused by abnormal impulse conduction. As in atrial fibrillation, patients with atrial flutter cannot effectively pump blood into the lower chambers of the heart (HEART VENTRICLES).
The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM.
Diagnosis of disease states by recording the spontaneous electrical activity of tissues or organs or by the response to stimulation of electrically excitable tissue.
Nerve fibers that are capable of rapidly conducting impulses away from the neuron cell body.
Lower lateral part of the cerebral hemisphere responsible for auditory, olfactory, and semantic processing. It is located inferior to the lateral fissure and anterior to the OCCIPITAL LOBE.
A discipline concerned with relations between messages and the characteristics of individuals who select and interpret them; it deals directly with the processes of encoding (phonetics) and decoding (psychoacoustics) as they relate states of messages to states of communicators.
Disorders of speech articulation caused by imperfect coordination of pharynx, larynx, tongue, or face muscles. This may result from CRANIAL NERVE DISEASES; NEUROMUSCULAR DISEASES; CEREBELLAR DISEASES; BASAL GANGLIA DISEASES; BRAIN STEM diseases; or diseases of the corticobulbar tracts (see PYRAMIDAL TRACTS). The cortical language centers are intact in this condition. (From Adams et al., Principles of Neurology, 6th ed, p489)
Dominance of one cerebral hemisphere over the other in cerebral functions.
A branch of the tibial nerve which supplies sensory innervation to parts of the lower leg and foot.
Modified cardiac muscle fibers composing the terminal portion of the heart conduction system.
Imaging techniques used to colocalize sites of brain functions or physiological activity with brain structures.
The part of the cerebral hemisphere anterior to the central sulcus, and anterior and superior to the lateral sulcus.
The small mass of modified cardiac muscle fibers located at the junction of the superior vena cava (VENA CAVA, SUPERIOR) and right atrium. Contraction impulses probably start in this node, spread over the atrium (HEART ATRIUM) and are then transmitted by the atrioventricular bundle (BUNDLE OF HIS) to the ventricle (HEART VENTRICLE).
Removal of tissue with electrical current delivered via electrodes positioned at the distal end of a catheter. Energy sources are commonly direct current (DC-shock) or alternating current at radiofrequencies (usually 750 kHz). The technique is used most often to ablate the AV junction and/or accessory pathways in order to interrupt AV conduction and produce AV block in the treatment of various tachyarrhythmias.
Diseases of the peripheral nerves external to the brain and spinal cord, which includes diseases of the nerve roots, ganglia, plexi, autonomic nerves, sensory nerves, and motor nerves.
A form of ventricular pre-excitation characterized by a short PR interval and a long QRS interval with a delta wave. In this syndrome, atrial impulses are abnormally conducted to the HEART VENTRICLES via an ACCESSORY CONDUCTING PATHWAY that is located between the wall of the right or left atria and the ventricles, also known as a BUNDLE OF KENT. The inherited form can be caused by mutation of PRKAG2 gene encoding a gamma-2 regulatory subunit of AMP-activated protein kinase.
Equipment that provides mentally or physically disabled persons with a means of communication. The aids include display boards, typewriters, cathode ray tubes, computers, and speech synthesizers. The output of such aids includes written words, artificial speech, language signs, Morse code, and pictures.
A class of nerve fibers as defined by their structure, specifically the nerve sheath arrangement. The AXONS of the myelinated nerve fibers are completely encased in a MYELIN SHEATH. They are fibers of relatively large and varied diameters. Their NEURAL CONDUCTION rates are faster than those of the unmyelinated nerve fibers (NERVE FIBERS, UNMYELINATED). Myelinated nerve fibers are present in somatic and autonomic nerves.
Use of electric potential or currents to elicit biological responses.
The time from the onset of a stimulus until a response is observed.
A nerve which originates in the lumbar and sacral spinal cord (L4 to S3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the TIBIAL NERVE and the PERONEAL NERVE.
Neurons which activate MUSCLE CELLS.
The hemodynamic and electrophysiological action of the HEART ATRIA.
Peripheral, autonomic, and cranial nerve disorders that are associated with DIABETES MELLITUS. These conditions usually result from diabetic microvascular injury involving small blood vessels that supply nerves (VASA NERVORUM). Relatively common conditions which may be associated with diabetic neuropathy include third nerve palsy (see OCULOMOTOR NERVE DISEASES); MONONEUROPATHY; mononeuropathy multiplex; diabetic amyotrophy; a painful POLYNEUROPATHY; autonomic neuropathy; and thoracoabdominal neuropathy. (From Adams et al., Principles of Neurology, 6th ed, p1325)
A voltage-gated sodium channel subtype that mediates the sodium ion PERMEABILITY of CARDIOMYOCYTES. Defects in the SCN5A gene, which codes for the alpha subunit of this sodium channel, are associated with a variety of CARDIAC DISEASES that result from loss of sodium channel function.
Elements of limited time intervals, contributing to particular results or situations.
Disorders of the centrally located thalamus, which integrates a wide range of cortical and subcortical information. Manifestations include sensory loss, MOVEMENT DISORDERS; ATAXIA, pain syndromes, visual disorders, a variety of neuropsychological conditions, and COMA. Relatively common etiologies include CEREBROVASCULAR DISORDERS; CRANIOCEREBRAL TRAUMA; BRAIN NEOPLASMS; BRAIN HYPOXIA; INTRACRANIAL HEMORRHAGES; and infectious processes.
Regularly spaced gaps in the myelin sheaths of peripheral axons. Ranvier's nodes allow saltatory conduction, that is, jumping of impulses from node to node, which is faster and more energetically favorable than continuous conduction.
Loss of the ability to comprehend the meaning or recognize the importance of various forms of stimulation that cannot be attributed to impairment of a primary sensory modality. Tactile agnosia is characterized by an inability to perceive the shape and nature of an object by touch alone, despite unimpaired sensation to light touch, position, and other primary sensory modalities.
The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065)
A 43-kDa peptide which is a member of the connexin family of gap junction proteins. Connexin 43 is a product of a gene in the alpha class of connexin genes (the alpha-1 gene). It was first isolated from mammalian heart, but is widespread in the body including the brain.
Abnormally rapid heartbeats caused by reentry of atrial impulse into the dual (fast and slow) pathways of ATRIOVENTRICULAR NODE. The common type involves a blocked atrial impulse in the slow pathway which reenters the fast pathway in a retrograde direction and simultaneously conducts to the atria and the ventricles leading to rapid HEART RATE of 150-250 beats per minute.
The lateral of the two terminal branches of the sciatic nerve. The peroneal (or fibular) nerve provides motor and sensory innervation to parts of the leg and foot.
Abnormal cardiac rhythm that is characterized by rapid, uncoordinated firing of electrical impulses in the upper chambers of the heart (HEART ATRIA). In such case, blood cannot be effectively pumped into the lower chambers of the heart (HEART VENTRICLES). It is caused by abnormal impulse generation.
Entrapment of the MEDIAN NERVE in the carpal tunnel, which is formed by the flexor retinaculum and the CARPAL BONES. This syndrome may be associated with repetitive occupational trauma (CUMULATIVE TRAUMA DISORDERS); wrist injuries; AMYLOID NEUROPATHIES; rheumatoid arthritis (see ARTHRITIS, RHEUMATOID); ACROMEGALY; PREGNANCY; and other conditions. Symptoms include burning pain and paresthesias involving the ventral surface of the hand and fingers which may radiate proximally. Impairment of sensation in the distribution of the median nerve and thenar muscle atrophy may occur. (Joynt, Clinical Neurology, 1995, Ch51, p45)

Agrammatic comprehension of simple active sentences with moved constituents: Hebrew OSV and OVS structures. (1/9)

This study examines agrammatic comprehension of object-subject-verb (OSV) and object-verb-subject (OVS) structures in Hebrew. These structures are syntactically identical to the basic order subject-verb-object (SVO) sentence except for the movement of the object to the beginning of the sentence, and thus enable empirical examination of syntactic movement in agrammatic comprehension. Seven individuals with agrammatism, 7 individuals with conduction aphasia, and 7 individuals without language impairment, all native speakers of Hebrew, performed a sentence-picture matching task. The task compared OSV and OVS sentences to SVO sentences and to subject and object relatives. Individuals with agrammatism performed more poorly than those in either of the other groups. Their comprehension of SVO sentences was significantly above chance, but comprehension of OSV and OVS sentences was at chance and was poorer than comprehension of SVO sentences. These results show that agrammatic comprehension of structures that involve movement of a noun phrase is impaired even when the structure is a simple active sentence, in line with the Trace Deletion Hypothesis (TDH; Y. Grodzinsky, 1990, 1995a, 2000). A modification is suggested to accommodate the TDH with the VP Internal Subject Hypothesis, according to which individuals with agrammatism use an "Avoid Movement" strategy in comprehension.  (+info)

Functional MRI follow-up study of language processes in healthy subjects and during recovery in a case of aphasia. (2/9)

BACKGROUND AND PURPOSE: The goal of this study was to develop a functional MRI (fMRI) paradigm robust and reproducible enough in healthy subjects to be adapted for a follow-up study aiming at evaluating the anatomical substratum of recovery in poststroke aphasia. METHODS: Ten right-handed subjects were studied longitudinally using fMRI (7 of them being scanned twice) and compared with a patient with conduction aphasia during the first year of stroke recovery. RESULTS: Controls exhibited reproducible activation patterns between subjects and between sessions during language tasks. In contrast, the patient exhibited dynamic changes in brain activation pattern, particularly in the phonological task, during the 2 fMRI sessions. At 1 month after stroke, language homotopic right areas were recruited, whereas large perilesional left involvement occurred later (12 months). CONCLUSIONS: We first demonstrate intersubject robustness and intrasubject reproducibility of our paradigm in 10 healthy subjects and thus its validity in a patient follow-up study over a stroke recovery time course. Indeed, results suggest a spatiotemporal poststroke brain reorganization involving both hemispheres during the recovery course, with an early implication of a new contralateral functional neural network and a later implication of an ipsilateral one.  (+info)

The rises and falls of disconnection syndromes. (3/9)

In a brain composed of localized but connected specialized areas, disconnection leads to dysfunction. This simple formulation underlay a range of 19th century neurological disorders, referred to collectively as disconnection syndromes. Although disconnectionism fell out of favour with the move against localized brain theories in the early 20th century, in 1965, an American neurologist brought disconnection to the fore once more in a paper entitled, 'Disconnexion syndromes in animals and man'. In what was to become the manifesto of behavioural neurology, Norman Geschwind outlined a pure disconnectionist framework which revolutionized both clinical neurology and the neurosciences in general. For him, disconnection syndromes were higher function deficits that resulted from white matter lesions or lesions of the association cortices, the latter acting as relay stations between primary motor, sensory and limbic areas. From a clinical perspective, the work reawakened interest in single case studies by providing a useful framework for correlating lesion locations with clinical deficits. In the neurosciences, it helped develop contemporary distributed network and connectionist theories of brain function. Geschwind's general disconnectionist paradigm ruled clinical neurology for 20 years but in the late 1980s, with the re-emergence of specialized functional roles for association cortex, the orbit of its remit began to diminish and it became incorporated into more general models of higher dysfunction. By the 1990s, textbooks of neurology were devoting only a few pages to classical disconnection theory. Today, new techniques to study connections in the living human brain allow us, for the first time, to test the classical formulation directly and broaden it beyond disconnections to include disorders of hyperconnectivity. In this review, on the 40th anniversary of Geschwind's publication, we describe the changing fortunes of disconnection theory and adapt the general framework that evolved from it to encompass the entire spectrum of higher function disorders in neurology and psychiatry.  (+info)

Visuomotor tracking abilities of speakers with apraxia of speech or conduction aphasia. (4/9)

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The role of the arcuate fasciculus in conduction aphasia. (5/9)

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Treatment of category generation and retrieval in aphasia: effect of typicality of category items. (6/9)

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Conduction aphasia, sensory-motor integration, and phonological short-term memory - an aggregate analysis of lesion and fMRI data. (7/9)

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Density pervades: an analysis of phonological neighbourhood density effects in aphasic speakers with different types of naming impairment. (8/9)

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Different explanations and subtypes of conduction aphasia are analyzed. Characteristics of literal paraphasias in parietal-insular conduction aphasia are discussed, emphasizing that paraphasias in conduction aphasia are articulatory-based (articulatory literal paraphasias) and due mainly to phoneme substitutions and phoneme deletions; they result basically in switches in phoneme manner and place of articulation. Similarities between errors in ideomotor apraxia and conduction aphasia language deficits are presented. It is proposed that language deviations (in oral as in written language) in conduction aphasia can be understood as a segmentary apraxia of speech.
To understand the symptoms, recall that Brocas area is associated roughly with expression, Wernickes area with comprehension. With both areas intact but the neural connections between them broken, there is the curious condition where the patient can understand what is being said but cannot repeat it (or repeats it incorrectly). This patient will also end up saying something inappropriate or wrong, realize his/her mistake, but continue making further mistakes while trying to correct it. ...
Assessment of brain-damaged subjects presenting with dissociated repetition deficits after selective injury to either the left dorsal or ventral auditory pathways can provide further insight on their respective roles in verbal repetition. We evaluated repetition performance and its neural correlates using multimodal imaging (anatomical MRI, DTI, fMRI and 18FDG-PET) in a female patient with transcortical motor aphasia (TCMA) and in a male patient with conduction aphasia (CA) who had small contiguous but non-overlapping left perisylvian infarctions. Repetition in the TCMA patient was fully preserved except for a mild impairment in nonwords and digits, whereas the CA patient had impaired repetition of nonwords, digits and word triplet lists. Sentence repetition was impaired, but he repeated novel sentences significantly better than clichés. The TCMA patient had tissue damage and reduced metabolism in the left sensorimotor cortex and insula. DTI showed damage to the left temporo-frontal and parieto-frontal
NIMHANS 2018-GUIDANCE SERIES- APHASIAS WERNICKEs APHASIA[AIIMS MAY-1998***] * Here comprehension is impaired. *Fluency is preserved. *It is also called as Jargon Aphasia and is associated with Neologisms. * Repetition, Naming, reading, writing is also impaired. *The common cause is and emboli to Inferior Division of MCA. *This involves the wernickes area in the posterior. 1/3 of superoir. Temporal sulcus. (sensory speech area). *Intracerebral hemorrhage, severe head trauma, or neoplasm are other causes. Insight is typically lost* BROCAS APHASIA[AI-2007***] * In this condition comprehension is preserved. *Fluency is decreased. *It is called as Bound morpheme- agrammatism. *Speech is telegraphic but informative. *Insight is preserved*. *The common cause is infarction in Brocas area and is due to occlusion of the superior division of the middle cerebral artery, which involves posterior part of Inferior Frontal Gyrus CONDUCTION APHASIA. * It is due to functional disconnection between Brocas, ...
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From an original sample of 87 non-speaking children with severe CP, 68 passed the pre-test (i.e. they matched at least five spoken words to the corresponding objects) of a specifically developed computer-based instrument for low motor language testing (C-BiLLT), admitting them to the actual C-BiLLT computer test. As a result, the present study included 68 children with severe CP (35 boys, 33 girls; mean age 6;11 years, SD 3;0 years; age range 1;9-11;11 years) who were investigated with the C-BiLLT for comprehension of different sentence types: phrases, simple active sentences (with one or two arguments) and compound sentences. The C-BiLLT provides norm data of typically developing (TD) children (1;6-6;6 years). Binomial logistic regression analyses were used to compare the percentage correct of each sentence type in children with severe CP with that in TD children (subdivided into age groups) and to compare percentage correct within the CP subtypes ...
In the auditory domain, Josef Rauschecker is often credited with originating the view that auditory cortex is subdivided into two processing streams, a dorsal where stream and a ventral what stream (Rauschecker, 1998; Rauschecker and Scott, 2009). However, the idea of dual auditory streams predates Rauscheckers influential papers by several decades. Deutsch and Roll proposed separate what and where mechanisms for hearing in their 1976 report (Deutsch and Roll, 1976) citing then recent animal neurophysiological evidence for the distinction (Evans and Nelson, 1973). And a historical precedent to a dual-stream model of audition goes even farther back to the work of Poljak who in 1926 discussed the various subdivisions in the connections of the acoustic nerve and came to a conclusion that foreshadowed current dual-stream ideas by the better part of a century ...
In this course you will learn how passive sentences differ from active sentences and what role verbs play. Topic: | pt-BR - 1309 - 68187
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En sak som ni diskuterade i detta avsnitt handlade om att patienterna ska kunna läsa sina journaler själva, vilket säkert skulle kunna vara bra i vissa fall när det gäller t ex en konstaterad diagnos och att kunna följa sina lab-värden osv själv och där man dessutom som patient är väl insatt i sin sjukdom och har en regelbunden kommunikation med sin/sina läkare, ni är inne på det just vid kroniska bekymmer. Det jag ser som en stor fara, och som ni inte alls resonerar kring, trots att ni faktiskt har en läkare inom psykiatrin med er, är alla de patienter som i grunden har psykisk ohälsa och som somatiserar sina sjukdomar och som återkommer x flera till en akutmottagning för ett och samma problem, exempelvis yrsel, andningssvårigheter eller buksmärta. De är utredda med diverse tester, lab-prover, röntgenundersökningar mm vid många olika tillfällen och de har varje gång fått reda på att det inte finns något akut/farligt/allvarligt som ligger bakom deras problem och de ...
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fushinyheder.dk - Få de seneste nyheder. Fushinyheder.dk er portalen for dem som gerne vil holde sig opdateret med information indenfor Nyheder(Sport, Politik, Musik, Film, Produkter og m.m.), Tyveri, Mobiltelefoner, Kultur, Turisme, Open Source, Links, Politi og Reklame. Du har selv mulighed for at oprette information hvis du evt. har links som du mener er relevant, Hvis du har været udsat for tyveri, indbrud af eks. Biler, Hus, Lejlighed osv. Det eneste som det kræver er at du opretter dig som bruger også har du mulighed for at oprette dine informationer.. ...
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Gupta, Y. V., Bharadwaj, B. K., Boratkar, A., Paliya, A., Dabak, S. & Ganti, H., 01-01-2015, 66th International Astronautical Congress 2015, IAC 2015: Space - The Gateway for Mankinds Future. International Astronautical Federation, IAF, Vol. 9. p. 6533-6542 10 p.. Research output: Chapter in Book/Report/Conference proceeding › Conference contribution ...
Gupta, Y. V., Bharadwaj, B. K., Boratkar, A., Paliya, A., Dabak, S. & Ganti, H., 01-01-2015, 66th International Astronautical Congress 2015, IAC 2015: Space - The Gateway for Mankinds Future. International Astronautical Federation, IAF, Vol. 9. p. 6533-6542 10 p.. Research output: Chapter in Book/Report/Conference proceeding › Conference contribution ...
Disconnection syndrome is a general term for a number of neurological symptoms caused by damage to the white matter axons of communication pathways-via lesions to association fibers or commissural fibers-in the cerebrum, independent of any lesions to the cortex. The behavioral effects of such disconnections are relatively predictable in adults. Disconnection syndromes usually reflect circumstances where regions A and B still have their functional specializations except in domains that depend on the interconnections between the two regions. Callosal syndrome, or split-brain, is an example of a disconnection syndrome from damage to the corpus callosum between the two hemispheres of the brain. Disconnection syndrome can also lead to aphasia, left-sided apraxia, and tactile aphasia, among other symptoms. Other types of disconnection syndrome include conduction aphasia (lesion of the association tract connecting Brocas area and Wernickes), agnosia, apraxia, pure alexia, etc. The concept of ...
TY - JOUR. T1 - CMIP and ATP2C2 modulate phonological short-term memory in language impairment. AU - Newbury, Dianne F.. AU - Winchester, Laura. AU - Addis, Laura. AU - Paracchini, Silvia. AU - Buckingham, Lyn-Louise. AU - Clark, Ann. AU - Cohen, Wendy. AU - Cowie, Hilary. AU - Dworzynski, Katharina. AU - Everitt, Andrea. AU - Goodyer, Ian M.. AU - Hennessy, Elizabeth. AU - Kindley, A. David. AU - Miller, Laura L.. AU - Nasir, Jamal. AU - OHare, Anne. AU - Shaw, Duncan. AU - Simkin, Zoe. AU - Simonoff, Emily. AU - Slonims, Vicky. AU - Watson, Jocelynne. AU - Ragoussis, Jiannis. AU - Fisher, Simon E.. AU - Seckl, Jonathon R.. AU - Helms, Peter J.. AU - Bolton, Patrick F.. AU - Pickles, Andrew. AU - Conti-Ramsden, Gina. AU - Baird, Gillian. AU - Bishop, Dorothy V.M.. AU - Monaco, Anthony P.. PY - 2009/8/14. Y1 - 2009/8/14. N2 - Specific language impairment (SLI) is a common developmental disorder characterized by difficulties in language acquisition despite otherwise normal development and in the ...
In a new paper soon to be published in Cognitive Science (Chen & Mirman, in press) we test a unique prediction from our model. The idea is that phonological neighborhood effects in spoken word recognition are so robust because phonological neighbors are consistently strongly activated during spoken word recognition. If we can reduce their activation by creating a context in which they are not among the likely targets, then their inhibitory effect will not just get smaller, it will become smaller than the facilitative effect, so the net result will be a flip to a facilitative effect. We tested this by using spoken word-to-picture matching with eye-tracking, more commonly known as the visual world paradigm. When four (phonologically unrelated) pictures appear on the screen, they provide some semantic information about the likely target word. The longer they are on-screen before the spoken word begins, the more this semantic context will influence which lexical candidates will be activated. At ...
Previous research has shown that comprehension of complex sentences involving wh-movement (e.g., object-relative clauses) elicits activation in the left inferior frontal gyrus (IFG) and left posterior temporal cortex. However, relatively little is known about the neural correlates of processing passive sentences, which differ from other complex sentences in terms of representation (i.e., noun phrase (NP)-movement) and processing (i.e., the time course of syntactic reanalysis). In the present study, 27 adults (14 younger and 13 older) listened to passive and active sentences and performed a sentence-picture verification task using functional Magnetic Resonance Imaging (fMRI). Passive sentences, relative to active sentences, elicited greater activation in bilateral IFG and left temporo-occipital regions. Participant age did not significantly affect patterns of activation. Consistent with previous research, activation in left temporo-occipital cortex likely reflects thematic reanalysis processes, whereas,
Newbury, D F and Winchester, Laura and Addis, L and Paracchini, Silvia and Buckingham, Lyn-Louise and Clark, Ann and Cohen, W and Cowie, H and Dworzynski, Katharina and Everitt, Andrea and Goodyer, IM and Hennessy, E and Kindley, AD and Miller, Laura L and Nasir, J and OHare, Anne and Shaw, D and Simkin, Z and Simonoff, E and Slonims, V and Watson, Jocelynne and Ragoussis, Jiannis and Fisher, SE and Seckl, J and Helms, PJ and Bolton, PF and Pickles, A and Conti-Ramsden, G and Baird, G and Bishop, DVM and Monaco, AP (2009) CMIP and ATP2C2 Modulate Phonological Short-Term Memory in Language Impairment. The American Journal of Human Genetics, 85 (2). pp. 264-272. ISSN 00029297 Michailidou, Z and Carter, RN and Marshall, E and Sutherland, HG and Brownstein, DG and Owen, E and Cockett, K and Kelly, V and Ramage, L and Al-Dujaili, Emad A S and Ross, M and Maraki, I and Newton, K and Holmes, MC and Seckl, J and Morton, NM and Kenyon, CJ and Chapman, KE (2008) Glucocorticoid receptor haploinsufficiency ...
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Norské město Drammen žilo ve dnech 18. až 21. srpna hudebním festivalem Elvefestival. Kromě severských kapel a umělců vystoupily rovněž osvědčené hvězdy světového formátu. Na pódiu mohli návštěvníci slyšet např. kanadskoamerickou zpěvačku a textařku Alanis Morissette, britskou rockovou hudební skupinu Status Quo a v sobotu 20. srpna zazpívala i Anastacia. Zpěvačka vsadila na osvědčené hity a na pódiu odeznělo třináct jejich nejznámějších skladeb. Sick & Tired, I Call It Love, Defeated, Welcome To My Truth, Underground Army, Whyd You Lie To Me, Paid My Dues, Heavy On My Heart, Not That Kind, One Day In Your Life, Im Outta Love, Heavy Rotation a na závěr nemohl chybět ani megahit Left Outside Alone. (Odkaz na videa v detailu článku.) Atmosféru koncertu zachytili na fotografiích členové rakouského fanclubu.
Homosexualita - T ma homosexuality je velmi irok a tyto str nky se pokou dostat co nejbl e j dru v ci. V osv tov ch po adech a knih ch bylo naps no a e eno spousta slov o tom, e homosexualita nen nemoc, e je vrozen , nem nn a nel iteln . Ale nen -li to nemoc, co to tedy je? Kde se bere, m je ur en , kde je jej centrum? vodn l nek k t matu je zde.
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Article by Tactus Therapy. Brocas aphasia is one kind of aphasia (language loss). Conduction aphasia results in difficulty with repetition. Brain cells die when blood flow or oxygen flow to a particular part of the brain is stopped or diminished. There is no one method for preventing Brocas aphasia or any type of aphasia. This nerve is mainly responsible for movement of the hand; despite passing…, Cooking for the entire family is a big task, but there are a lot of kitchen gadgets out there to make it less hassle and more fun. The major causes are a cerebral vascular accident (), or head trauma, but aphasia can also be the result of brain tumors, brain infections, or neurodegenerative diseases.However, the latter are far less common and so not as often mentioned when discussing aphasia. Finding the right words or producing the right sounds is often difficult. The best treatment is work with a speech therapist for speech training. This may help to build up your confidence level. Aphasia can ...
Pulse oximetry is routinely used for monitoring patients oxygen saturation levels with little regard to the variability of this physiological variable. There are few published studies on oxygen saturation variability (OSV), with none describing the variability and its pattern in a healthy adult population. The aim of this study was to characterise the pattern of OSV using several parameters: the regularity (sample entropy analysis), the self-similarity (detrended fluctuation analysis (DFA)), and the complexity (multiscale entropy (MSE) analysis). Secondly, to determine if there were any changes that occur with age.. The study population consisted of 36 individuals. The young population consisted of 20 individuals [Mean age = 21.0 (SD = 1.36 years)] and the old population consisted of 16 individuals [Mean age = 50.0 (SD = 10.4 years)]. Through DFA analysis, OSV was shown to exhibit fractal-like patterns. The sample entropy revealed the variability to be more regular than heart rate ...
Pulse oximetry is routinely used for monitoring patients oxygen saturation levels with little regard to the variability of this physiological variable. There are few published studies on oxygen saturation variability (OSV), with none describing the variability and its pattern in a healthy adult population. The aim of this study was to characterise the pattern of OSV using several parameters: the regularity (sample entropy analysis), the self-similarity (detrended fluctuation analysis (DFA)), and the complexity (multiscale entropy (MSE) analysis). Secondly, to determine if there were any changes that occur with age.. The study population consisted of 36 individuals. The young population consisted of 20 individuals [Mean age = 21.0 (SD = 1.36 years)] and the old population consisted of 16 individuals [Mean age = 50.0 (SD = 10.4 years)]. Through DFA analysis, OSV was shown to exhibit fractal-like patterns. The sample entropy revealed the variability to be more regular than heart rate ...
This paper shows that some individuals with Down syndrome are capable of producing, imitating (repeating) and comprehending passive sentences, even though group studies indicate that this is not the norm. Experimental tests of elicited production, repetition and comprehension of passive and active sentences applied in ten adolescents with Down syndrome, speakers of Portuguese, showed that out of the ten adolescents, one, Fa, is able to produce, imitate and comprehend passive sentences. It is hypothesised that, when there is no comprehension, or when the comprehension of reversible passives is unstable, the passive is understood as active, because the first noun of the passive sentence is interpreted as agent/causer of the action/non-action. This hypothesis is strong inasmuch as it assumes that both active and passive have very similar initial derivations. There is not, however, strong evidence that the nine adolescents interpret the passive as active.
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Course Meets: 11:15-12:05 D BH 147 This course is a continuation of H100/H500. The class is conducted mainly in Hebrew and continues to concentrate on the acquisition of modern Israeli Hebrew at an elementary level. All language skills - reading, writing, grammar, vocabulary, composition, etc. - are equally emphasized. Weekly assignments will include one lesson from Israeli Hebrew plus one quiz per week (excluding exam weeks) based on the contents of the lesson learned. Grading will be based on the results of quizzes, mid-terms, and a final exam, plus daily participation in the class and handling of class conversation sessions and lab assignments ...
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Dear Sir / Madam, I hope this e-mail finds you well and safe. I just found the hebrew.el file for Hebrew input-method in Emacs which sits in this path: emacs-27.1/lisp/leim/quail/hebrew.el I would be very interested to have the same setup as an input-method for the Syriac language. I would be very grateful if you could help me with that for the Syriac which happens to be also a Right-to-Left language just as the Hebrew. The main objective is to integrate this input-method into Emacs, I dont know how difficult this goal to achieve. I posted a question in the StackExchange platform and put a bounty of 500 points to do just that. Please see this link below: [1]https://emacs.stackexchange.com/q/60520/2443 I also noticed that there is another hebrew.el file in Emacs source code which is sitting in this path: emacs-27.1/lisp/language/hebrew.el I dont know how these two files are related, or how to write the same files for Syriac. I would be very grateful for any help or hint to achieve this far ...
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A case of conduction aphasia. International Journal of Language and Communcation Disorders, 46(4), pp. 423-436. doi: 10.3109/ ... A single case study of a participant with Conduction Aphasia. Gesture, 11(2), pp. 123-147. ... Cocks, N., Byrne, S., Pritchard, M., Morgan, G. and Dipper, L. (2018). Integration of speech and gesture in aphasia. ... Dipper, L., Cocks, N., Rowe, M. and Morgan, G. (2011). What can co-speech gestures in aphasia tell us about the relationship ...
Auditory-verbal short-term memory impairment and conduction aphasia. Blog. Evaluation. If attended to this information enters ...
Areas of damage in Wernickes aphasia  Always involved: Posterior superior temporal gyrus  The classical core of Wernickes ... Global aphasia  Anomic aphasia  Alexia Benson & Ardila  Wernicke aphasia  Broca aphasiaConduction aphasia  Extrasylvian ... 8 Two Different Classification Schemes Damasio  Wernickes aphasia  Brocas aphasiaConduction aphasia  Transcortical ... Global aphasia  Anomic aphasia  Wernicke II or Posterior extrasylvian 9 Extra-Sylvian Aphasic Syndromes  In all perisylvian ...
The field of neurolinguistics and neurogenic language disorders such as Brocas aphasia, wernikes aphasia and conduction ... These disorders includes aphasia , traumatic brain injury , dementia and right hemisphere brain damage , swallowing and voice ... aphasia, etc; the concept of diagnosis and evaluation; methods of training and family members counseling . ...
Expressive aphasia · Receptive aphasia · Conduction aphasia · Anomic aphasia · Global aphasia · Transcortical sensory aphasia · ... Pages using duplicate arguments in template calls, Aphasias, Neurological disorders, and 2 more * Communication disorders ... One diagnosis technique is a rating scale, such as the Boston Diagnostic Aphasia Examination. The exam is a subjective rating ... Picks patient also suffered from right hemiparesis, a lesser version of hemiplagia, and aphasia after the stroke. Pick noticed ...
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... hearing loss with 63.3 dbhl in right ear and 67 dbhl in left ears but I can hear normally with bone as my bone conduction is ... Laryngectomy or aphasia affecting the speech components. *Glossectomy. *Bilateral vocal cord paralysis ...
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nerve conduction defects including: loss of reflexes, tingling sensations and numbness of extremities, weakness and partial ...
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The lemma model of speech production and the different types of aphasias ... The lemma model of speech production and the different types of aphasias ... The lemma model of speech production and the different types of aphasias ...
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  • The classical explanation for conduction aphasia is a disconnection between the brain areas responsible for speech comprehension (Wernicke's area) and that of speech production (Broca's area). (wikipedia.org)
  • Conduction aphasia , also called associative aphasia , is a relatively rare form of aphasia , thought to be caused by a disruption in the fiber pathways connecting Wernicke's and Broca's areas . (wikidoc.org)
  • Most commonly, clinicians characterize aphasia as either a Broca's aphasia/expressive aphasia (with decreased verbal fluency) or a Wernicke's aphasia/receptive aphasia (with decreased comprehension) depending on the location of the brain lesion. (statpearls.com)
  • Broca's and Wernicke's aphasia are relatively common in middle cerebral artery strokes. (statpearls.com)
  • The classical explanation for conduction aphasia is that damage to the arcuate fasciculus impairs the transmission of information between Wernicke's area and Broca's area. (statpearls.com)
  • Recent research based on anatomically distributed modular networks model shows that patients with conduction aphasia clinically often have lesions in the supramarginal gyrus or deep parietal matter, which suggests that damage to anatomically related structures may also lead to a disconnection between Broca's and Wernicke's areas. (statpearls.com)
  • The finding of conduction aphasia at the bedside suggests the possibility of a lesion in the dominant hemisphere of the brain, specifically the areas that connect Wernicke's and Broca's area. (statpearls.com)
  • Typical lesion location for conduction aphasia is on the supramarginal gyrus of the parietal lobe, posterior to the primary sensory cortex and just above Wernicke's area. (operativeneurosurgery.com)
  • The classical explanation for conduction aphasia is that of a disconnection between the brain areas responsible for speech comprehension (Wernicke's area) and speech production (Broca's area), due specifically to damage to the arcuate fasciculus, a deep white matter tract. (operativeneurosurgery.com)
  • Fluent aphasia is also called Wernicke's aphasia. (healthline.com)
  • Globla aphasia = caused by any damages or obstruction to "middle cerebral artery" which supplies the Broca's area, Wernicke's area and angular gyrus. (answers.com)
  • Those with Wernicke's aphasia don't have trouble producing speech as those with non-fluent aphasia do. (goodtherapy.org)
  • Instead, Wernicke's aphasia affects language comprehension, and people with this type of aphasia may not make sense when they speak. (goodtherapy.org)
  • What are brocas aphasia, and wernicke's aphasia? (healthtap.com)
  • Wernicke's aphasia is caused by damage to the side portion or temporal lobe of the language-dominant area of the brain. (health-cares.net)
  • Conduction aphasia is a relatively rare form of aphasia, caused by damage to the nerve fibres connecting Wernicke's and Broca's areas. (health-cares.net)
  • The University of Washington notes that if the area is injured, termed Wernicke's aphasia, the patient will not say words that make sense. (livestrong.com)
  • The motor type of aphasia (Broca's area) originates from the inferior frontal gyrus, while the sensory type of aphasia originates in the superior temporal gyrus (Wernicke's area). (springer.com)
  • Called also logamnesia and sensory or Wernicke's aphasia . (thefreedictionary.com)
  • Wernicke's aphasia receptive aphasia . (thefreedictionary.com)
  • When an individual is diagnosed with aphasia, specifically Wernicke's aphasia or global aphasia, there are many challenges ahead of them, including the ability to understand spoken language, as auditory comprehension may an area of deficit. (ukessays.com)
  • Auditory comprehension deficits are more common in individuals with global or Wernicke's aphasia. (ukessays.com)
  • Most relevant here is the syndrome of conduction aphasia , first described by Karl Wernicke as a disconnection between Broca's area in the left inferior frontal cortex and the eponymous Wernicke's area in the left temporal-parietal region (see figure at right, adapted from Fig. 2 of Catani & ffytche, 2005). (blogspot.com)
  • The realities of the human brain's vascular anatomy cause a selection bias in the types of patients seen after a stroke -- lesions to Broca's and Wernicke's area are overrepresented -- because infarcts in the left middle cerebral artery often result in aphasia . (blogspot.com)
  • This syndrome is characterized by an almost complete loss of the ability to formulate speech or comprehend language, combining the deficits of Broca's and Wernicke's aphasia. (mobilityequip.com)
  • Neither of these types of aphasia are caused by physiological damage to the language-processing hemisphere of the brain, in contrast to the two main types of aphasia and to most miscellaneous types. (answers.com)
  • The proposed research will also address the issue of exemplar typicality (Kiran & Thompson, 2003) by examining the effects of training typical versus atypical exemplars of various categories with individuals with different types of aphasia. (clinicaltrials.gov)
  • There are many types of aphasia. (tbilaw.com)
  • Expressive, aphasia, conduction aphasia are just some of the many types of aphasia. (tbilaw.com)
  • However, the frequencies of the different types of aphasia in acute stroke and possible differences in prognosis are also of theoretical interest as well as of practical importance for the planning of rehabilitation. (mobilityequip.com)
  • We can appreciate between types of aphasia depending on their characteristics and severity. (mobilityequip.com)
  • These two types of aphasia can ensure collectively. (dysphasia.us)
  • If you have this type of aphasia, you can speak but you have trouble understanding when others speak. (healthline.com)
  • If you have this type of aphasia, you'll likely understand when others are talking. (healthline.com)
  • Multilingual aphasia is a type of aphasia where someone often misspeaks by saying something in her/his native language that is semantically similar to what the person intended … to say. (answers.com)
  • People with this type of aphasia do not necessarily misspeak as often in languages that are foreign to them as they do in their native language. (answers.com)
  • This type of aphasia is probably caused by learning and/or acquiring too many foreign languages. (answers.com)
  • A few years later, in 1876, Karl Wernicke described another type of aphasia. (tmc.edu)
  • From the Wernicke model, Wernicke correctly predicted a third type of aphasia-conduction aphasia. (tmc.edu)
  • Approximately 500,000 individuals suffer strokes each year, and 20% of these individuals develop some type of aphasia. (thefreedictionary.com)
  • Although bedside examination can usually reveal the type of aphasia, formal cognitive testing by a neuropsychologist or speech/language therapist may be important to determine fine levels of dysfunction, to plan therapy, and to assess the patient's potential for recovery. (medscape.com)
  • Each classification of aphasia has defining characteristics, including repetition, fluency, word finding and auditory comprehension, which range in severity dependent on the type of aphasia. (ukessays.com)
  • In this type of aphasia, the ability to speak of the patient is seriously affected. (mobilityequip.com)
  • Global aphasia typically involves major damage to the front and back of the left side of your brain. (healthline.com)
  • People who sustain extensive damage to various parts of the brain may experience global aphasia, which typically results in communication difficulties and impairment in reading and writing as well as speech and listening. (goodtherapy.org)
  • Global aphasia is caused by widespread damage to the language areas of the left hemisphere. (health-cares.net)
  • Mixed forms of aphasia, caused by multiple lesions or lesions spanning anterior and posterior portions of the speech zone, are quite common, and massive destruction of the entire language area results in a global aphasia. (thefreedictionary.com)
  • global aphasia total aphasia involving all the functions that go to make up speech and communication. (thefreedictionary.com)
  • See global aphasia . (thefreedictionary.com)
  • Conduction aphasics will show relatively well-preserved auditory comprehension, which may even be completely functional. (wikipedia.org)
  • Individuals with conduction aphasia are able to express themselves fairly well, with some word finding and functional comprehension difficulty. (wikipedia.org)
  • A type of fluent aphasia characterized by an impaired ability to repeat one and two word phrases, despite retained comprehension. (curehunter.com)
  • Conduction aphasia being the arcuate fasciculus of the site of structural injury is a speech disorder characterized by fluent, spontaneous speech and paraphasias, intact auditory comprehension, and limited repetition. (cureus.com)
  • Conduction aphasia (CA) is characterized by fluent spontaneous speech, paraphasias, intact auditory comprehension, and limited repetition. (cureus.com)
  • [1] Conduction aphasia is a rare form of aphasia were both expression and comprehension remain intact, but the patient shows an isolated impairment in the ability to repeat simple phrases. (statpearls.com)
  • A patient with relatively well-preserved auditory comprehension, fluent speech production, reading, writing, but poor speech repetition may have conduction aphasia. (statpearls.com)
  • Aphasia is an impairment in the comprehension and/or production of language. (answers.com)
  • People with damage to the front part of the brain may have difficulty producing fluent speech (non-fluent aphasia), but their comprehension is typically not affected. (goodtherapy.org)
  • Hence there is difficulty in comprehension rather than articulation, hence the term Receptive Aphasia . (healthtap.com)
  • Aphasia is a defect or loss of language function in which the comprehension or expression of words (or nonverbal equivalents of words) is impaired as a result of brain injury. (health-cares.net)
  • Aphasia is an acquired impairment of language that affects comprehension and production of words, sentences, and/or discourse. (bmj.com)
  • Broca aphasia is characterized by nonfluent, poorly articulated, and agrammatic speech output (in both spontaneous speech and repetition) with relatively spared word comprehension. (bmj.com)
  • Wernicke aphasia is characterized by fluent but meaningless speech output and repetition, with poor word and sentence comprehension. (bmj.com)
  • Logopenic progressive aphasia (LPA) was characterized by slow speech, sentence repetition, and comprehension deficits, and relative sparing of motor speech, grammar, and single-word comprehension. (neurology.org)
  • Medical search aphasia Dysphasia is an acquired deficit in the comprehension or production of language whether spoken or written. (tripdatabase.com)
  • Aphasia is a complete loss of language comprehension or production. (tripdatabase.com)
  • There is ongoing research conducted on treatment methods, delivered by speech-language pathologists, to support and increase auditory comprehension in individuals with aphasia. (ukessays.com)
  • Auditory comprehension can affect individuals with aphasia ranging from mild (i.e. word level) to severe (i.e. conversation level) causing auditory deficits identified and derived from the Schuell's classification. (ukessays.com)
  • As these treatment methods are analyzed, it is important to note the range of deficits for individuals with aphasia, therefore a singular treatment that has not been proven effective with all individuals or resulted in a full recovery of auditory comprehension deficits. (ukessays.com)
  • When evaluating apraxia it is important to ensure that disturbed action execution on verbal commands is not due to impaired comprehension caused by aphasia. (jscimedcentral.com)
  • Conduction aphasia is most often seen during recovery from Wernicke?s aphasia, and clinically there is often evidence of some impairment of comprehension. (autoportal.ru)
  • Aphasia marked by limited vocabulary, hesitant speech, awkward pronunciation, and limited use of grammar but with fairly well preserved auditory comprehension. (unboundmedicine.com)
  • Deep left parietal lobe syndrome: conduction aphasia and other neurobehavioural disorders due to a small subcortical lesion. (bmj.com)
  • Aphasia is a speech disorder secondary to a brain lesion mainly localized on the cerebral cortex. (cureus.com)
  • show that the region of maximal overlap in lesion distribution of a group of 14 conduction aphasics includes area Spt (based on fMRI data from over 100 participants). (talkingbrains.org)
  • Conduction aphasia, sensory-motor integration, and phonological short-term memory - An aggregate analysis of lesion and fMRI data. (talkingbrains.org)
  • I have an issue with a claim made in this post, namely that the lesion overlap distribution speaks to the neural substrates that underlie conduction aphasia. (talkingbrains.org)
  • 2) Conduction aphasia can result from a pure suprasylvian or a pure subsylvian lesion as well as from a combination of the two. (elsevier.com)
  • conduction aphasia aphasia due to a lesion of the pathway between the sensory and motor speech centers. (thefreedictionary.com)
  • motor aphasia aphasia in which there is impairment of the ability to speak and write, owing to a lesion in the insula and surrounding operculum including Broca's motor speech area. (thefreedictionary.com)
  • Aphasia describes language impairment associated with a brain lesion.The objective of this review was to assess the effects of drugs on language abilities when given to people with aphasia following stroke.We searched the Cochrane Stroke Group Register (last searched: May 2001), and reference lists of relevant articles to December 1998. (tripdatabase.com)
  • Aphasia describes language impairment associated with a brain lesion.The objective of this review was to assess the effects of formal speech and language therapy and non-professional types of support from untrained providers for people with aphasia after stroke.We searched the Cochrane Stroke Group Trials Register (last searched: March 1999), and reference lists of relevant articles to December 1998. (tripdatabase.com)
  • Left-handed individuals may develop aphasia after a lesion of either hemisphere, but the syndromes from left hemisphere injury may be milder or more selective than those seen in right-handed people, and they may recover better. (medscape.com)
  • Our results indicate that theexemplary anterior thalamic lesion eliminates about half of the en passagepathways traveling between Broca's area, passing though ventral anteriornucleus and thence to pulvinar, while affecting only twenty percent of pathwaysconnecting Broca's area with pulvinar. (ufl.edu)
  • In contrast, the lesion eliminates more than half ofBroca's area-pulvinar pathways and more than seventy percent of Broca'sarea-ventral anterior nucleus-pulvinar en passage pathways. (ufl.edu)
  • Aphasia that develops paradoxically in a right-handed person after a stroke or lesion affecting the right hemisphere. (unboundmedicine.com)
  • Frequently, clinicians describe aphasia is depending on the position of the brain lesion. (dysphasia.us)
  • We evaluated repetition performance and its neural correlates using multimodal imaging (anatomical MRI, DTI, fMRI, and 18 FDG-PET) in a female patient with transcortical motor aphasia (TCMA) and in a male patient with conduction aphasia (CA) who had small contiguous but non-overlapping left perisylvian infarctions. (frontiersin.org)
  • Broca's aphasia, also called motor aphasia, results from damage to the front portion or frontal lobe of the language-dominant area of the brain. (health-cares.net)
  • Broca's aphasia motor aphasia . (thefreedictionary.com)
  • expressive aphasia motor aphasia . (thefreedictionary.com)
  • See also motor aphasia . (thefreedictionary.com)
  • The disturbance is called motor aphasia when it is predominant in language production (speaking and writing), and sensory aphasia when it is predominant in reception (listening and reading). (jscimedcentral.com)
  • Recent studies have suggested that this is an incomplete model of conduction aphasia in that lesions outside of the arcuate fasciculus can also lead to the clinical presentation of this phenomenon. (statpearls.com)
  • The classical account holds that conduction aphasia is caused by damage to the arcuate fasciculus. (talkingbrains.org)
  • The role of the arcuate fasciculus in conduction aphasia. (semanticscholar.org)
  • Damage to the arcuate fasciculus causes a disorder called conduction aphasia. (washington.edu)
  • Damage to the arcuate fasciculus was thought to be the cause of conduction aphasia, but it's actually a little more complicated than that (Catani et al. (blogspot.com)
  • mixed aphasia combined expressive and receptive aphasia . (thefreedictionary.com)
  • receptive aphasia inability to understand written, spoken, or tactile speech symbols, due to disease of the auditory and visual word centers, as in word blindness. (thefreedictionary.com)
  • Introduction to Broca's Aphasia Aphasia is a term used to define trouble in the capability to practice ciphers (written or spoken) to connect info and is characterized into two types: expressive aphasia or receptive aphasia. (dysphasia.us)
  • 6.7%) included transcortical aphasia (n=11), Wernicke aphasia (n=10), conduction aphasia (n=7), aphemia (n=3), semantic aphasia (n=3), crossed aphasia (n=3), pure word deafness (n=2), and foreign accent syndrome (n=1). (curehunter.com)
  • Transcortical aphasia is characterized by relatively spared repetition. (bmj.com)
  • Although people with aphasia may be able to express themselves fairly well, they tend to have issues repeating phrases, especially phrases that are long and complex. (wikipedia.org)
  • Since strokes are the most common cause of aphasia, the majority of people with aphasia are middle-aged or older. (healthline.com)
  • People with aphasia may experience any of the following behaviors due to an acquired brain injury, although some of these symptoms may be due to related or concomitant problems, such as dysarthria or apraxia , and not primarily due to aphasia. (wikipedia.org)
  • Some people with aphasia may have difficulty spelling words accurately, reading written materials, and even understanding number concepts-telling time, adding, or subtracting. (goodtherapy.org)
  • and Annette Cameron, speech and language therapist associated with Aberdeen's Speakeasy group for people with aphasia. (speechmag.com)
  • The clinician should perform neuro-imaging to look for a stroke, tumor, infection, or another pathology in the setting of conduction aphasia. (statpearls.com)
  • According to the National Aphasia Association , aphasia occurs in 25 to 40 percent of people who've had a stroke. (healthline.com)
  • You doctor may also screen you for aphasia during treatment for a brain injury or stroke. (healthline.com)
  • Aphasia is commonly diagnosed in the early stages of recovery after a stroke or a head injury. (answers.com)
  • Aphasia is caused by a brain injury, as may occur during a traumatic accident or when the brain is deprived of oxygen during a stroke. (answers.com)
  • [1] The major causes are a cerebral vascular accident ( stroke ), or head trauma, but aphasia can also be the result of brain tumors, brain infections, or neurodegenerative diseases . (wikipedia.org)
  • [7] Older individuals have the highest risk of developing aphasia because the danger of stroke increases with age: approximately 75% of all strokes occur in individuals over the age of 65. (wikipedia.org)
  • [9] 25% - 40% of people who survive a stroke develop aphasia as a result of damage to the language-processing regions of the brain. (wikipedia.org)
  • Numerous studies over the span of more than a decade have shown that non-invasive brain stimulation (NIBS) techniques, namely transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), can facilitate language recovery for patients who have suffered from aphasia due to stroke. (frontiersin.org)
  • While stroke is the most common etiology of aphasia, neurodegenerative causes of language impairment-collectively termed primary progressive aphasia (PPA)-are increasingly being recognized as important clinical phenotypes in dementia. (frontiersin.org)
  • However, before applying the same approaches to patients with PPA as have previously been pursued in patients with post-stroke aphasia, it will be important for investigators to consider key similarities and differences between these aphasia etiologies that is likely to inform successful approaches to stimulation. (frontiersin.org)
  • While both post-stroke aphasia and the PPAs have clear overlaps in their clinical phenomenology, the mechanisms of injury and theorized neuroplastic changes associated with the two etiologies are notably different. (frontiersin.org)
  • Importantly, theories of plasticity in post-stroke aphasia are largely predicated on the notion that regions of the brain that had previously been uninvolved in language processing may take on new compensatory roles. (frontiersin.org)
  • Aphasia is most commonly seen after stroke, however a second pathologic process that can commonly lead to deficits of language is neurodegenerative disease. (frontiersin.org)
  • Most often, aphasia is caused by stroke, but this condition can also be caused by other factors that influence brain function, such as a brain tumor or traumatic brain injury (TBI) . (goodtherapy.org)
  • Aphasia may first be recognized by a doctor or other medical provider following a stroke or other brain injury. (goodtherapy.org)
  • Aphasia can develop after an individual sustains a brain injury from a stroke, head trauma, tumor, or infection, such as herpes encephalitis. (health-cares.net)
  • Aphasia following LMCA stroke typically results from lesions affecting frontal and/or temporal language regions in the left hemisphere and also often involves damage to white matter pathways connecting these regions [ 4 - 11 ]. (hindawi.com)
  • Stroke is the most common cause of aphasia in the United States. (thefreedictionary.com)
  • The most common classification of aphasia divides the disorder into clinical syndromes of frequently co-occurring deficits that reflect the vascular territory affected in stroke. (bmj.com)
  • Ischemia in Broca area is associated with Broca aphasia more reliably in acute than in chronic stroke. (bmj.com)
  • Alexander, M. P., & Schmitt, M. A. (1980) The aphasia syndrome of stroke in the left anterior cerebral artery territory. (springer.com)
  • This disorder is called anomic aphasia when acquired by brain damage, usually from a head injury , stroke , or dementia . (wikipedia.org)
  • Evidence-based systematic review: effects of intensity of treatment and constraint-induced language therapy for individuals with stroke-induced aphasia Untitled Document The CRD Databases will not be available from 08:00 BST on Friday 4th October until 08:00 BST on Monday 7th October for essential maintenance. (tripdatabase.com)
  • Pharmacological treatment for aphasia following stroke. (tripdatabase.com)
  • We could not determine whether one drug is more effective than another.The main conclusion of this review is that drug treatment with piracetam may be effective in the treatment of aphasia after stroke. (tripdatabase.com)
  • Speech and language therapy for aphasia following stroke. (tripdatabase.com)
  • Aphasia develops abruptly in patients with a stroke or head injury. (medscape.com)
  • Because aphasia is most often caused by stroke, neuroimaging is required to localize and diagnose the cause of aphasia. (medscape.com)
  • Most aphasias and related disorders are due to stroke, head injury, cerebral tumors, or degenerative diseases. (medscape.com)
  • In this edition of reSearch, the topic of aphasia and stroke is explored. (naric.com)
  • While the main search terms were aphasia and stroke the combined total of the NARIC, ERIC, PubMed, CIRRIE and the Cochrane database descriptors was 143 terms. (naric.com)
  • Based on information requests from our patrons the objective of this research brief is to provide a "snap-shot" of the most current and relevant research available on aphasia and stroke. (naric.com)
  • In addition to document searches, NARIC searched its Program database of the National Institute on Disability and Rehabilitation Research (NIDRR) projects to locate grantees/projects related to the topics of aphasia and stroke. (naric.com)
  • Sixty-seven stroke patients with aphasia who were undergoing a conventional speech and language therapy program participated in the study. (naric.com)
  • We should "throw out most of the literature from stroke aphasia. (blogspot.com)
  • Aphasia is one of the most common symptoms in acute and chronic stroke patients. (mobilityequip.com)
  • Stroke is the leading cause of long term language impairments (aphasia) in adults. (mobilityequip.com)
  • However, many stroke survivors with aphasia in the acute phase experience spontaneous recovery within the first six months after the stroke. (mobilityequip.com)
  • Nonetheless, it is still unclear whether post-stroke white matter damage can be used as a personalized predictor of chronic aphasia severity. (mobilityequip.com)
  • 1 A general consensus exists that most of the spontaneous recovery in linguistic function occurs in the first weeks after stroke 1 and is completed by the end of the first year, 2 although reports exist of improvements occurring as a result of long-term therapy of patients with chronic aphasia. (ahajournals.org)
  • The two main headings are fluent and non-fluent aphasia. (answers.com)
  • On the other hand, those who sustain damage to the temporal lobe of the brain (fluent aphasia) may have difficulty understanding spoken language. (goodtherapy.org)
  • fluent aphasia that in which speech is well articulated (usually 200 or more words per minute) and grammatically correct but is lacking in content and meaning. (thefreedictionary.com)
  • Aphasia is a language impairment caused by neurologic damage, usually to the left hemisphere of the brain. (answers.com)
  • Aphasia , an impairment to one's ability to communicate , results from damage to the parts of the brain that affect language. (goodtherapy.org)
  • Although geared for research, diagnostic criteria have been refined over the past several years and can nevertheless aid the clinician with the diagnosis of disorders such as mild cognitive impairment, Alzheimer disease, frontotemporal dementia, dementia with Lewy bodies, the primary progressive aphasias, corticobasal syndrome, vascular cognitive impairment, and posterior cortical atrophy. (lww.com)
  • Aphasia is a selective impairment of language or the cognitive processes that underlie language. (bmj.com)
  • The impairment of impressive speech (that is, understanding speech that is heard) in aphasia differs from that in deafness, since all sounds are perceived, but words sound like unknown signals. (thefreedictionary.com)
  • Aphasia is a loss or impairment of the ability to produce or comprehend language, due to brain damage. (rxpgonline.com)
  • ABSTRACT: Study examined the correlation between an impairment-level and a functional-level assessment scale of aphasia. (naric.com)
  • Language impairment was assessed with the Western Aphasia Battery and functional communication skills associated with aphasia were assessed with the Communicative Effectiveness Index at baseline and at 4, 8, 12, and 24 weeks later. (naric.com)
  • transcortical sensory aphasia, see also umami). (yogachicago.com)
  • Transcortical sensory aphasia usually results from ischemia involving the watershed area between the left MCA and left posterior cerebral artery territory. (bmj.com)
  • What is expressive aphasia? (answers.com)
  • Expressive aphasia is a neurogenic communicative disorder characterized by the inability to speak or verbally communicate. (answers.com)
  • ataxic aphasia expressive aphasia . (thefreedictionary.com)
  • Like patients with Wernicke aphasia (APHASIA, WERNICKE), patients with conduction aphasia are fluent but commit paraphasic errors during attempts at written and oral forms of communication. (curehunter.com)
  • In their pioneering studies on aphasia Broca (1861 , 1863 ) and Wernicke (1874 , 1906 , 1977 ) described distinct syndromes associated with involvement of anterior and posterior cortical areas of the left hemisphere, respectively. (frontiersin.org)
  • Special topics cover therapeutic software and other technologies, levels of evidence, neuroplasticity, new medical treatments, quality of life, and primary progressive aphasia. (pearson.ch)
  • Primary progressive aphasia (PPA) is characterized by isolated decline in language functions. (neurology.org)
  • Logopenic progressive aphasia (LPA) is a distinctive variant of primary progressive aphasia. (neurology.org)
  • Since Mesulam's original description of primary progressive aphasia (PPA) in 1982, 1 it has become clear that progressive isolated language disorders due to neurodegeneration are clinically heterogeneous. (neurology.org)
  • The sudden speech of a conduction aphasic is fluent, yet it is lengthy and inadequately structured. (wikipedia.org)
  • Speech and language therapy is the core mainstay of care for patients with aphasia. (statpearls.com)
  • However, we have been arguing for some time that conduction aphasia is caused by damage to area Spt -- a functionally defined region in the vicinity of the left planum temporale that exhibits auditory-motor response properties, and which we claim computes a mapping between auditory and motor speech representations, critical for aspects of speech production. (talkingbrains.org)
  • A functional magnetic resonance imaging study of the role of left posterior superior temporal gyrus in speech production: implications for the explanation of conduction aphasia. (talkingbrains.org)
  • Note that this is not to say that Spt is not involved in mappings between auditory and motor speech representations, conduction aphasia, etc. (talkingbrains.org)
  • If you have aphasia, a speech-language pathologist can help identify your specific communication disabilities. (healthline.com)
  • It is proposed that language deviations (in oral as in written language) in conduction aphasia can be understood as a segmentary apraxia of speech. (semanticscholar.org)
  • onset of aphasia is usually abrupt, and occurs in individuals who have had no previous speech or language problems. (answers.com)
  • [2] To be diagnosed with aphasia, a person's speech or language must be significantly impaired in one (or more) of the four aspects of communication following acquired brain injury, or have significant decline over a short time period (progressive aphasia). (wikipedia.org)
  • that is, aphasia is not related to the mechanics of speech but rather the individual's language cognition (although a person can have both problems, particularly if they suffered a hemorrhage that damaged a large area of the brain). (wikipedia.org)
  • Reasons for doing so include dysphasia being easily confused with the swallowing disorder dysphagia , consumers and speech pathologists preferring the term aphasia, and many languages other than English using a word similar to aphasia. (wikipedia.org)
  • Aphasia can have an impact on a person's ability to understand or express speech. (goodtherapy.org)
  • They typically speak with a rate and rhythm of speech comparable to that of those not affected by aphasia, but they may use the wrong words, which often makes their speech seem nonsensical. (goodtherapy.org)
  • If a medical provider suspects a patient has aphasia, the practitioner will typically refer the individual to a speech-language specialist for further assessment and treatment. (goodtherapy.org)
  • In order to diagnose aphasia, the speech therapist may ask the person to complete basic tasks such as naming an object, following a command, reading a specific written passage, and participating in a brief conversation. (goodtherapy.org)
  • People with conduction aphasia can understand language, but their speech does not make sense and they cannot repeat words. (washington.edu)
  • Broca's aphasia is difficulty in expressing speech. (healthtap.com)
  • Werniche's aphasia is difficulty in understanding speech. (healthtap.com)
  • Commonly used tests to diagnose aphasia include the Boston Diagnostic Aphasia Examination, the Western Aphasia Battery, and possibly, the Porch Index of Speech Ability. (health-cares.net)
  • Aphasia does not include speech impediments caused by loss of muscle control. (thefreedictionary.com)
  • Aphasia is sometimes confused with other conditions that affect speech, such as dysarthria and apraxia . (thefreedictionary.com)
  • When the area is damaged, a condition called Broca's aphasia, the patient cannot form words properly and has slurred, slow speech. (livestrong.com)
  • Conduction aphasia is characterized by disproportionately impaired repetition with otherwise fluent speech. (bmj.com)
  • Some of the skills damaged by aphasia can be recovered with the help of a speech pathologist. (tbilaw.com)
  • Apraxia of speech, or difficulty speaking when there is no paralysis or weakness of speech muscles, and Anomia, the characteristic of aphasia that makes it hard to name objects. (tbilaw.com)
  • Strictly speaking, the words anarthria and aphasia mean a total absence of ability to form speech or language but they are often used when dysarthria and dysphasia would be more correct. (communicationmatters.org.uk)
  • The erroneous production of unintended words in speech (paraphasia), oral reading (paralexia), or writing (paragraphia) is a feature of some forms of aphasia. (thefreedictionary.com)
  • administered by trained speech and language therapists versus any type of informal support for aphasia , given by speech and language therapists or volunteers, whether these were trained or untrained. (tripdatabase.com)
  • Aphasia in which patients know what they want to say but cannot say it because of their inability to coordinate the muscles controlling speech. (unboundmedicine.com)
  • Aphasia is actually notorious for altering speech patterns. (mobilityequip.com)
  • CI aphasia therapy is realized in a communicative therapeutic environment constraining patients to practice systematically speech acts with which they have difficulty. (ahajournals.org)
  • Such related syndromes may coexist with aphasia or exist independently. (medscape.com)
  • Aphasia and apraxia are two major neuropsychological syndromes that in most cases are caused by injuries in the left cerebral hemisphere. (jscimedcentral.com)
  • These clinical observations suggest that aphasia and apraxia are independent syndromes. (jscimedcentral.com)
  • Aphasia and apraxia are generally thought to be independent clinical syndromes. (jscimedcentral.com)
  • Anomic or nominal aphasia primarily influences an individual's ability to find the right name for a person or object. (health-cares.net)
  • anomic aphasia inability to name objects, qualities, or conditions. (thefreedictionary.com)
  • Damasio H, Damasio A. The anatomical basis of conduction aphasia. (springer.com)
  • Technically, dysphasia means impaired language and aphasia means lack of language. (wikipedia.org)
  • [11] It would appear that the term "aphasia" is more commonly encountered in North America, while "dysphasia" is more frequently found in British literature. (wikipedia.org)
  • There is some confusion about the definitions of aphasia and dysphasia. (goodtherapy.org)
  • The difference between aphasia and dysphasia may lie in the severity of the symptoms, with some experts arguing that dysphasia is less severe than aphasia. (goodtherapy.org)
  • The main types of dysphasia are: motor receptive conduction Mutism is a global loss of language and is not a good localising sign. (tripdatabase.com)
  • Play media Conduction aphasia, also called associative aphasia, is an uncommon form of difficulty in speaking (aphasia). (wikipedia.org)
  • Conduction aphasia, also called associative aphasia, is a relatively rare form of aphasia. (operativeneurosurgery.com)
  • According to the National Aphasia Association , about 1 million Americans have some form of aphasia. (healthline.com)
  • According to the traditional classification scheme, each form of aphasia is caused by damage to a different part of the left hemisphere of the brain. (health-cares.net)
  • Nominal aphasia is a form of aphasia in which the subject has difficulty remembering or recognizing names which the subject should know well. (health-cares.net)
  • These authors suggested an exclusive deficit of auditory-verbal short-term memory in repetition conduction aphasia whereas the other variant was assumed to reflect disrupted phonological encoding mechanism, afflicting confrontation tasks such as repetition, reading and naming in a similar manner. (wikipedia.org)
  • Pure conduction aphasia which affects only repetition is uncommon. (statpearls.com)
  • This explanation does a better job of explaining the co-occurrence of phonemic paraphasias and repetition deficits than does the current dominant model of the deficit in conduction aphasia, namely, that it is a working memory deficit. (talkingbrains.org)
  • [4] This model became the common explanation for conduction aphasia. (statpearls.com)
  • Strokes of the left middle cerebral artery (LMCA) territory often lead to impairments in language function that are collectively referred to as aphasias [ 1 ]. (hindawi.com)
  • One prevalent deficit in the aphasias is anomia , which is a difficulty in finding the correct word. (wikipedia.org)
  • A person with aphasia may have difficulty speaking, reading, writing, recognizing the names of objects, or understanding what other people have said. (thefreedictionary.com)
  • Individuals with Broca aphasia often have difficulty understanding syntactically complex or semantically reversible sentences (e.g., 'touch your nose after you touch your foot') but have little trouble understanding simple, semantically nonreversible sentences. (bmj.com)
  • Patients with aphasia experience difficulty in expressing nonverbal ideas and thoughts as words and grammatically correct sentences. (jscimedcentral.com)
  • Conduction aphasia: Major difficulty is with the entire colon. (suagm.edu)
  • Help the person with aphasia to get involved in activities in the community. (tbilaw.com)
  • Based on these findings and a review of the literature, we would propose the following: (1) Conduction aphasia is a distinct clinical syndrome, readily separable from other varieties of aphasia. (elsevier.com)
  • The treatment of a patient with aphasia depends on the cause of the aphasia syndrome. (medscape.com)
  • Aphasia is a syndrome caused by damage to the neural language system. (jscimedcentral.com)
  • Nonfluent aphasia is also called Broca's aphasia. (healthline.com)
  • Called also logaphasia and Broca's , expressive , or nonfluent aphasia . (thefreedictionary.com)
  • Semantic dementia and progressive nonfluent aphasia are accepted PPA variants. (neurology.org)
  • Thus, the present-day distinction between progressive nonfluent aphasia (PNFA) and semantic dementia (SemD) may reflect an oversimplification of the clinical presentations of progressive aphasia. (neurology.org)
  • Recent research has challenged this notion on the basis that patients with conduction aphasia more often have lesions in the supramarginal gyrus or deep parietal matter. (operativeneurosurgery.com)
  • Patients with neurodegenerative diseases or mass lesions may develop aphasia insidiously. (medscape.com)
  • However, it is also true that both aphasia and apraxia are associated with lesions in the left cerebral hemisphere in many patients, and their comorbidity is high. (jscimedcentral.com)
  • Abstract -Patients with chronic aphasia were assigned randomly to a group to receive either conventional aphasia therapy or constraint-induced (CI) aphasia therapy, a new therapeutic technique requiring intense practice over a relatively short period of consecutive days. (ahajournals.org)
  • Data suggest that the language skills of patients with chronic aphasia can be improved in a short period by use of an appropriate massed-practice technique that focuses on the patients' communicative needs. (ahajournals.org)
  • [6] Any person of any age can develop aphasia, given that it is often caused by a traumatic injury. (wikipedia.org)
  • Interestingly, however, left-handed people appear to have language areas in both the left and right hemispheres of the brain and, as a result, may develop aphasia from damage to either side of the brain. (thefreedictionary.com)
  • Strokes are the most common cause of aphasia. (healthline.com)
  • About 700,000 persons in the United States have strokes every year, and one million are estimated to have aphasia. (answers.com)
  • Strokes account for 80-90% of cases of adults with aphasia in the United States. (ukessays.com)
  • Both ischemic and hemorrhagic strokes can cause aphasia in individuals. (ukessays.com)
  • Aphasia is an inability to comprehend or formulate language because of damage to specific brain regions. (wikipedia.org)
  • This aphasia, or language disorder, involved a failure to comprehend language rather than a failure to speak. (tmc.edu)
  • auditory aphasia loss of ability to comprehend spoken language. (thefreedictionary.com)
  • name the aphasia: person is fluent and can comprehend, but cannot rpeate words well. (cram.com)
  • In right-handed persons, with few exceptions, only injury in the left cerebral hemisphere produces aphasia. (thefreedictionary.com)
  • Preadolescent children suffering aphasia after unilateral injury usually recover rapidly, presumably by virtue of the capacity of the right cerebral hemisphere early in life to acquire the language functions originally mediated by the left hemisphere. (thefreedictionary.com)
  • Aphasia may occur secondary to brain injury or degeneration and involves the left cerebral hemisphere to a greater extent than the right. (medscape.com)
  • Clinical studies have revealed a double dissociation between aphasia and apraxia, and a strong correlation in their cerebral lateralization. (jscimedcentral.com)
  • Aphasia affects people of all ages, including children. (healthline.com)
  • Aphasia also affects visual language such as sign language . (wikipedia.org)
  • Aphasia affects about 2 million people in the US and 250,000 people in Great Britain. (wikipedia.org)
  • A communication disorder that results from damage or trauma to the parts of the brain that regulate language (typically the left hemisphere), aphasia can cause difficulties with speaking, listening, reading, and writing. (goodtherapy.org)
  • aphasia results from neurological injury in the language-dominant hemisphere of the brain 3. (mindmeister.com)
  • Aphasia is a neurological disease usually caused by the obstruction of arteries that reach the patient's left hemisphere of the brain, causing damage to the abilities and cognitive functions it controls. (mobilityequip.com)
  • Signs and symptoms may or may not be present in individuals with aphasia and may vary in severity and level of disruption to communication. (wikipedia.org)
  • Individuals with Broca's aphasia may become mute or may be able to use single-word statements or full sentences, although it may require great effort. (thefreedictionary.com)
  • The alteration in language function is, understandably, a primary concern of individuals with aphasia and their caregivers. (mobilityequip.com)
  • However, such impairments are not included in the concept of aphasia, since in aphasia the patient is able to utter all sounds, but is incapable of speaking. (thefreedictionary.com)
  • Encompassed under the term aphasia are selective, acquired disorders of reading (alexia) or writing (agraphia). (medscape.com)
  • These are alexia without agraphia, conduction aphasia and aphasia. (annalsofian.org)
  • People affected by Broca's aphasia have trouble primarily with spoken language. (goodtherapy.org)
  • Aphasia in which words are easily spoken but are incorrect and may be unrelated to the content of the other words spoken. (unboundmedicine.com)
  • Inability to understand spoken words if the auditory word center is involved (auditory aphasia) or written words if the visual word center is affected (word blindness). (unboundmedicine.com)
  • What is the cause of aphasia? (answers.com)
  • Careful assessment of language function with an evaluation of neighborhood signs is important in the diagnosis of the localization and cause of aphasia. (medscape.com)
  • Brain injury is one of the major causes of aphasia and may happen very quickly once the brain injury has occurred. (tbilaw.com)
  • Aphasia has no impact on a person's intelligence . (goodtherapy.org)
  • Complete recovery in adults after a severe injury is much less common, and severe aphasia may persist unchanged for the duration of the person's life. (thefreedictionary.com)
  • Aphasia is an acquired communication disorder, which impairs a person's ability to process language (Learn about Aphasia). (ukessays.com)
  • [14] Often those with aphasia will try to hide their inability to name objects by using words like thing . (wikipedia.org)
  • Aphasia marked by inability to name an object recognized by sight without the aid of sound, taste, or touch. (unboundmedicine.com)
  • Tuberculous meningitis (TBM) has a wide range of clinical manifestations with aphasia being one of the rarest forms of initial presentation. (cureus.com)
  • CI aphasia therapy led to significant and pronounced improvements on several standard clinical tests, on self-ratings, and on blinded-observer ratings of the patients' communicative effectiveness in everyday life. (ahajournals.org)
  • Symptoms of aphasia vary from mild to severe. (healthline.com)
  • Aphasia is at its most severe immediately after the event t … hat causes it. (answers.com)