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SyndromeFunctional LateralityDominance, CerebralDown SyndromeMetabolic Syndrome XCerebrumMagnetic Resonance ImagingBrainNephrotic SyndromeSjogren's SyndromeBrain MappingAphasiaCerebral CortexTurner SyndromeCorpus CallosumLanguageAbnormalities, MultipleMyelodysplastic SyndromesCushing SyndromeCerebrovascular CirculationSturge-Weber SyndromeAcute Coronary SyndromePolycystic Ovary SyndromeWilliams SyndromeParietal LobePerceptual DisordersDiGeorge SyndromeCerebral InfarctionHorner SyndromeMotor CortexPrader-Willi SyndromeLong QT SyndromeFrontal LobeApraxiasElectroencephalographyGuillain-Barre SyndromeImage Processing, Computer-AssistedLanguage TestsHemolytic-Uremic SyndromeTemporal LobeCompartment SyndromesTourette SyndromeAntiphospholipid SyndromeBrain IschemiaTime FactorsBrain Damage, ChronicPsychomotor PerformancePorcine Reproductive and Respiratory SyndromeStrokeReaction TimeKlinefelter SyndromeMagnetoencephalographyNeuropsychological TestsCarpal Tunnel SyndromeWerner SyndromeNeural PathwaysReye SyndromeBartter SyndromePorcine respiratory and reproductive syndrome virusTranscranial Magnetic StimulationHELLP SyndromeCerebellar DiseasesBloom SyndromeCerebellumBrugada SyndromeHandEhlers-Danlos SyndromeAnalysis of VarianceOccipital LobeBrain DiseasesRespiratory Distress Syndrome, AdultTomography, X-Ray ComputedAngelman SyndromeReadingPedigreeMutationAphasia, BrocaDisease Models, AnimalSevere Acute Respiratory SyndromeHemispherectomyRestless Legs SyndromeParesisJob SyndromeWiskott-Aldrich SyndromeCerebrovascular DisordersTreatment OutcomeAmobarbitalParaneoplastic SyndromesPhenotypeMetaphorSweet SyndromeAnomiaBrain EdemaLanguage DisordersSpeechReference ValuesPhotic StimulationAgnosiaAcquired Immunodeficiency SyndromeSomatosensory Cortex
Western hemisphereCerebralLesionsNondominant hemisphereContralateral hemisphereNeurologyVascularSturge-Weber SyCorpus callosumNeurocutaneous syndromeCerebellarDementiaDisconnectionFindingsCallosalOverlapNeglect syndromeStrokeBrainDescribePosteriorCongenital rubellaAffectsUnilateralSymptomsClinicalSeizureLeftSevereAphasiaRecurrenceMutationsZikaGeneticTypicallyAlien hand synApparentlyComplicationsPatientsResearchersCaseDisordersDiagnosticPatientLanguageRare
Western hemisphere6
  • We have the chikungunya virus and the Zika virus outbreaks in the western hemisphere, over the past two years. (cdc.gov)
  • In general, however, a familial or genetically transmitted form of moyamoya syndrome is rare in the Western Hemisphere. (experts123.com)
  • The objective is to vaccinate susceptible populations by improving access among underserved populations, keeping vaccination programs on the political agendas of countries in the Western Hemisphere, and promoting cooperation among countries in the region. (cdc.gov)
  • The strains currently circulating in the Western Hemisphere, which have been linked to microcephaly in infants and Guillain Barre syndrome in adults, are more closely related to the Asian lineage. (infectioncontroltoday.com)
  • And, after Haiti, where in the Western hemisphere do men have the lowest life expectancy? (kevinmd.com)
  • The researchers examined infants born in Brazil, the nation with one of the highest numbers of affected babies born in the past year and the first to report local active transmission in the Western Hemisphere. (courthousenews.com)
Cerebral5
  • Chapters 4 and 6 mapped the primary motor cortex (precentral gyrus of the frontal lobe), primary somatosensory cortex (postcentral gyrus of the parietal lobe), and the primary visual cortex (calcarine cortex of the posterior occipital lobe) onto the cerebral hemispheres. (mhmedical.com)
  • As predicted from classical models of language organization based on lesion data, cortical activation associated with language processing was strongly lateralized to the left cerebral hemisphere and involved a network of regions in the frontal, temporal, and parietal lobes. (jneurosci.org)
  • The mosaic nature of these genetic changes helps explain why they cause overgrowth in only one of the two cerebral hemispheres. (medlineplus.gov)
  • FDG-PET revealed severe hypometabolism in the left cerebral hemisphere, including basal ganglia and thalamus, and hypermetabolism in the right cerebral hemisphere. (koreamed.org)
  • Malformations of the cerebral hemispheres may be due to genetic or acquired causes. (msdmanuals.com)
Lesions9
  • Language dysfunction is most commonly due to lesions in the dominant (usually left) hemisphere, whereas neglect (see " Attention " below) is most commonly due to lesions in the nondominant (usually right) hemisphere (causing left-sided neglect). (mhmedical.com)
  • The alien hand syndrome, as originally defined, was used to describe cases involving anterior corpus callosal lesions producing involuntary movement and a concomitant inability to distinguish the affected hand from an examiner's hand when these were placed in the patient's unaffected hand. (bmj.com)
  • Three varieties of alien hand syndrome have been reported, involving lesions of the corpus callosum alone, the corpus callosum plus dominant medial frontal cortex, and posterior cortical/subcortical areas. (bmj.com)
  • Two frontal varieties of alien hand syndrome have been described-one associated with lesions of the language dominant medial frontal cortex and the anterior corpus callosum affecting the dominant hand and the other with of the corpus callosum alone affecting the non-dominant hand. (bmj.com)
  • 7 In the second case, the infrequency of non-dominant hand callosal-frontal alien hand syndrome would be attributable to hypokinesia, which often follows non-dominant medial frontal lesions, and which would tend to negate any released exploratory drive. (bmj.com)
  • 8 A few cases of alien hand syndrome have been reported after posterior lesions 9-13 resulting either from corticobasal degeneration involving primarily posterior cortical degeneration or from cerebrovascular accidents. (bmj.com)
  • This syndrome is caused by unilateral lesions to the parietal or occipital lobes of the brain, especially in the right hemisphere. (emory.edu)
  • These aphasia syndromes typically occur following vascular lesions (e.g., stroke) to the frontal lobe of the left hemisphere. (draftlessig.org)
  • Neurocutaneous syndromes represent a group of central nervous system disorders with concurrent lesions in the skin, eye, and possibly other visceral organs. (medscape.com)
Nondominant hemisphere4
  • The hemisphere contralateral to the side of handedness is considered the dominant hemisphere (e.g., the left hemisphere in a right-handed patient), and the hemisphere ipsilateral to the side of handedness is considered the nondominant hemisphere (e.g., the right hemisphere in a right-handed patient). (mhmedical.com)
  • We report the case of a patient who had a generalized seizure, persistent nondominant hemisphere syndrome, and reversible magnetic resonance imaging abnormalities during a prolonged migraine attack without aura. (elsevierpure.com)
  • Friedenberg, S & Dodick, DW 2000, ' Migraine-associated seizure: A case of reversible MRI abnormalities and persistent nondominant hemisphere syndrome ', Headache , vol. 40, no. 6, pp. 487-490. (elsevierpure.com)
  • Dodick, David W. / Migraine-associated seizure : A case of reversible MRI abnormalities and persistent nondominant hemisphere syndrome . (elsevierpure.com)
Contralateral hemisphere2
  • presence of these waves are noticeably weaker in the contralateral hemisphere. (studystack.com)
  • Based on findings of FDG-PET and DTT, the callosal disconnection syndrome presented in the patient could be the result of loss of transcallosal inhibition in the contralateral hemisphere. (koreamed.org)
Neurology1
  • Apraxia, one of the most important and least understood major behavioral neurology syndromes, robs patients of the ability to use tools. (medscape.com)
Vascular1
  • A patient with posterior alien hand syndrome of vascular aetiology is reported and the findings are discussed in the light of a conceptualisation of posterior alien hand syndrome as a disorder which may be less associated with specific focal neuropathology than are its callosal and callosal-frontal counterparts. (bmj.com)
Sturge-Weber Sy8
Corpus callosum5
  • The procedure involves severing the corpus callosum, the main bond between the brain's left and right hemispheres. (psychologytoday.com)
  • An MRI scan of the savant Kim Peek, who inspired the fictional character Raymond Babbitt (played by Dustin Hoffman) in the movie Rain Man , revealed an absence of the corpus callosum, the anterior commissure and the hippocampal commissure, the three cables for information transfer between hemispheres. (psychologytoday.com)
  • When you read with your left eye, the information first ends up in the right hemisphere and must be transferred to the left hemisphere via the corpus callosum to be processed. (psychologytoday.com)
  • 1 2 Although such early reports suggested considerable neuropathological specificity (a lesion of the anterior corpus callosum), a reliable anatomically derived definition of alien hand syndrome has been elusive. (bmj.com)
  • Callosal disconnection syndrome in a patient with corpus callosum hemorrhage: a diffusion tensor tractography study. (koreamed.org)
Neurocutaneous syndrome3
  • sometimes described as Sturge-Weber-Dimitri syndrome or by the more descriptive name encephalotrigeminal angiomatosis) is a sporadic neurocutaneous syndrome, with no known genetic cause. (medscape.com)
  • Encephalocraniocutaneous lipomatosis: a rare neurocutaneous syndrome. (medscape.com)
  • Koishi GN, Yoshida M, Alonso N, Matushita H, Goldenberg D. Encephalocraniocutaneous lipomatosis (Haberland's syndrome): a case report of a neurocutaneous syndrome and a review of the literature. (medscape.com)
Cerebellar2
  • Prenatal MR imaging at 29 weeks' gestation showed hypoplastic cerebellar vermis and hemispheres, the molar tooth sign, and a hypothalamic hamartoma. (uzh.ch)
  • Calcific foci were also noted in the left cerebellar hemisphere (Figures 2 and 3). (medscape.com)
Dementia5
  • Subsequently, the PPA syndrome was defined as a disorder limited to progressive aphasia, without general cognitive impairment or dementia, over a 2-year period. (medscape.com)
  • In recent years, the term frontotemporal dementia has become an umbrella term referring to clinical syndromes of frontal dementia or progressive aphasia. (medscape.com)
  • An alternate term, frontotemporal lobar degeneration, relates to pathologies associated with the frontotemporal lobe dementia syndromes. (medscape.com)
  • It is associated with mental illness, dementia, and structural brain lesion, as is seen in right hemisphere stroke patients. (nih.gov)
  • Despite the high recovery rates that may be ensured with early treatment interventions, undiagnosed cases may result in the subacute/chronic dementia Korsakoff syndrome. (psychiatrist.com)
Disconnection2
  • Alien hand syndrome was initially used to describe cases involving a disconnection of the hemispheres via corpus callosal lesion. (bmj.com)
  • We report the findings of 18F-fluorodeoxyglocese positron emission tomography (FDG-PET) and diffusion tensor tractography (DTT) in a right-handed patient presenting with callosal disconnection syndrome, including alien hand syndrome, after an anterior communicating artery aneurysmal rupture. (koreamed.org)
Findings3
  • We report prenatal and neonatal neuroimaging findings in a case of oral-facial-digital syndrome type VI (OFDS VI). (uzh.ch)
  • This review focuses on mutations of Kir6.2, the pore-forming subunit and sulfonylurea receptor (SUR) 1, the regulatory subunit of the K ATP channel, which cause neonatal diabetes/DEND syndrome and also discusses the findings of the pathological mechanisms that are associated with neonatal diabetes, and its neurological features. (go.jp)
  • From the negative result of the CSF SARS-CoV-2 polymerase chain reaction test and no findings of bacterial or viral infection, we diagnosed meningoencephalitis by multisystem inflammation syndrome in adults (MIS-A). Intravenous methylprednisolone pulse therapy improved her symptoms and brain edema. (bvsalud.org)
Callosal2
  • 5 Some disagreement exists as to whether the callosal-frontal variety is the product of disinhibited posterior dominant hemispheric environmental exploratory drive (producing dominant hand involuntary movement) 5 6 or of disrupted medial frontal inhibition of lateral frontal exploratory drive which exists in both hemispheres. (bmj.com)
  • 1. Suwanwela NC, Leelacheavasit N. Isolated corpus callosal infarction secondary to pericallosal artery disease presenting as alien hand syndrome. (koreamed.org)
Overlap2
  • These overlapping conditions include, among others: attention deficit hyperactivity disorder (ADHD) autism spectrum disorders, especially high-functioning autism bipolar disorder developmental coordination disorder (dyspraxia) dyscalculia social communication disorder right hemisphere brain damage and developmental right hemisphere syndrome social-emotional processing disorder Gerstmann syndrome There is diagnostic overlap between nonverbal learning disorder and autism spectrum disorder, and some clinicians and researchers consider them to be the same condition. (wikipedia.org)
  • Overlap among neurocutaneous syndromes. (medscape.com)
Neglect syndrome3
  • Classically, the neglect syndrome has been associated with damage to the right posterior parietal cortex . (scholarpedia.org)
  • I found the visual neglect syndrome particularly interesting and decided to learn more about why/how it occurs. (emory.edu)
  • The visual neglect syndrome is a neurological condition in which the side of space opposite of a brain lesion is not recognized anymore. (emory.edu)
Stroke3
  • Patients with useless limbs syndrome can progress to a clenched, painful fist, while persons with certain progressive diseases, such as progressive supranuclear palsy, corticobasal ganglionic degeneration, and stroke, may be at high risk of falling, and patients with dementias may develop secondary nutritional deficiencies. (medscape.com)
  • Neglect is most prominent and long-lasting after damage to the right hemisphere of the human brain, particularly following a stroke. (scholarpedia.org)
  • They are twice as likely to die from diabetes, 60 percent more likely to have a stroke, 30 percent more likely to have high blood pressure and 20 percent more likely to have heart disease.American Indians have disproportionately high death rates from unintentional injuries and suicide, and a high prevalence of risk factors for obesity, substance abuse, sudden infant death syndrome, teenage pregnancy, liver disease and hepatitis. (kevinmd.com)
Brain13
  • Research suggests that there is an association with an imbalance of neural activity in the right hemisphere of the brain connected to the white matter. (wikipedia.org)
  • His case study "On the relationship between aphasia and senile atrophy of the brain" still serves as a frame of reference for apparently focal brain syndromes in diffuse or generalized degenerative diseases of the brain. (medscape.com)
  • After a split-brain surgery, the two hemispheres do not exchange information as efficiently as before. (psychologytoday.com)
  • This impairment can result in split-brain syndrome, a condition where the separation of the hemispheres affects behavior and agency. (psychologytoday.com)
  • Michael Gazzaniga and Roger W. Sperry , the first to study split brains in humans, found that several patients who had undergone a complete calloscotomy suffered from split-brain syndrome. (psychologytoday.com)
  • In patients with split-brain syndrome, the right hemisphere, which controls the left hand and foot, acts independently of the left hemisphere and the person's ability to make rational decisions. (psychologytoday.com)
  • surgery , such as corpus callosotomy where the "bridge" that connects the two brain hemispheres is cut. (kidshealth.org)
  • SIMON: Lou Boland has a rare brain disorder called de Morsier syndrome, which is often associated with autism. (npr.org)
  • He has been blind since birth and the two hemispheres of his brain don't communicate properly. (npr.org)
  • Rett syndrome (MIM 312750) is a neurodevelopmental disorder affecting postnatal brain growth, with a prevalence estimated to be 1:10,000 to 22,000 females. (neurology.org)
  • This brain abnormality is an enlargement of one of the two major halves (hemispheres) of the cerebrum, which is the large part of the brain that controls most voluntary activity, language, sensory perception, learning, and memory. (medlineplus.gov)
  • Like the genetic changes that cause MPPH syndrome and megalencephaly (described above), the AKT3 gene changes that result in isolated hemimegalencephaly are gain-of-function, ultimately leading to increased cell growth and division in the developing brain. (medlineplus.gov)
  • A new study reports foreign accent syndrome may be caused by impaired connections between the motor speech areas in the left hemisphere of the brain and the cerebellum. (neurosciencenews.com)
Describe3
  • The ophthalmologist van der Hoeve was the first to describe the phakomatoses as a clinical entity of diseases including tuberous sclerosis, neurofibromatosis, and von Hippel-Lindau and Sturge-Weber syndromes [ 11 ]. (hindawi.com)
  • In fact, these 2 syndromes describe the different phases of the single disease. (psychiatrist.com)
  • Congenital rubella syndrome (CRS) is the term used to describe the serious birth defects that occur among infants born to women infected with rubella while pregnant. (cdc.gov)
Posterior1
  • 12 13 We present a case of the second, posterior variety of alien hand syndrome and discuss considerations regarding its aetiology and differences from the two anterior varieties. (bmj.com)
Congenital rubella2
  • By ensuring the vaccination of susceptible persons, health authorities will maintain measles-elimination programs in the region and support implementation of rubella and congenital rubella syndrome--elimination plans. (cdc.gov)
  • Fetal infection can result in miscarriage, stillbirth, or infants born with life-threatening or disabling congenital malformations, known as congenital rubella syndrome (CRS). (cdc.gov)
Affects1
Unilateral1
  • Can begin unilateral but shift hemispheres in a single recording. (studystack.com)
Symptoms4
  • The group of signs and symptoms observed after a right hemisphere damage can be called Right Hemisphere Syndrome & RHS. (bvsalud.org)
  • In a series of case reports, Neary and Snowden outlined a syndrome with initial symptoms that were suggestive of psychiatric illness. (medscape.com)
  • Alien hand syndrome is a loosely defined cluster of symptoms characterised by involuntary movement of an upper limb in conjunction with the experience of estrangement from or personification of the movements of the limb itself. (bmj.com)
  • In some mutations, diabetes is accompanied by severe neurological symptoms [developmental delay, epilepsy, neonatal diabetes (DEND) syndrome]. (go.jp)
Clinical2
  • Reperfusion syndrome was assessed by MR imaging and clinical evaluation. (ajnr.org)
  • Initially defined independently by 2 researchers in the late 19th century as Wernicke's encephalopathy and Korsakoff syndrome, respectively, the syndrome was finally termed Wernicke-Korsakoff due to the shared etiologic, clinical, and histopathologic characteristics indicated by the former nomenclature. (psychiatrist.com)
Seizure1
Left5
  • Most patients are right-handed, so their left hemisphere is the dominant hemisphere. (mhmedical.com)
  • This can give rise to a kind of split personality , in which the left hemisphere give orders that reflect the person's rational goals , whereas the right hemisphere issues conflicting demands that reveal hidden desires. (psychologytoday.com)
  • The study showed that subjects were significantly more efficient in determining the nature of the string of letters when the information was fed directly to the left hemisphere via the right eye. (psychologytoday.com)
  • Indeed, there is accumulating evidence for neural damage in some individuals, with recent studies suggesting loss of gray matter in multiple regions, particularly in the left hemisphere. (frontiersin.org)
  • The parahippocampal gyrus, the lateral orbitofrontal cortex, and the insula were particularly affected, and gray matter reductions were notably concentrated in the left hemisphere. (frontiersin.org)
Severe4
Aphasia1
  • And with two centuries of accumulated observations, we now know that many people with aphasia exhibit the very same syndrome that Lordat observed in his priest. (time.com)
Recurrence1
  • Deterioration after Guillain-Barré syndrome: recurrence, treatment-related fluctuation or CIDP? (bmj.com)
Mutations3
  • Rett syndrome (RTT) is a neurodevelopmental disorder caused by mutations in the X-linked methyl CpG binding protein 2 ( MeCP2 ) gene. (neurology.org)
  • Several mutations in the AKT3 gene have been found to cause megalencephaly-polymicrogyria-polydactyly-hydrocephalus (MPPH) syndrome. (medlineplus.gov)
  • Megalencephaly without the other features of MPPH syndrome (described above) has been associated with gain-of-function AKT3 gene mutations or extra copies (duplication) of the region of chromosome 1 containing the AKT3 gene. (medlineplus.gov)
Zika1
  • The team recommends referring to these cases as "congenital Zika syndrome" due to the variety of birth defects associated with Zika that have been discovered over the past year. (courthousenews.com)
Genetic1
Typically1
  • Seizures in Lennox-Gastaut syndrome are typically intractable and don't usually respond well to medicines. (kidshealth.org)
Alien hand syn1
  • 3 More recent acceptable usage of the term alien hand syndrome requires only the "feeling that one limb is foreign or "has a will of its own," together with (emphasis in original) observable involuntary motor activity. (bmj.com)
Apparently1
Complications1
  • Wernicke-Korsakoff syndrome is one of the neurologic complications that may emerge due to thiamine deficiency. (psychiatrist.com)
Patients1
  • In our own series, we have 19 patients (twelve families) where there are either siblings with the syndrome, or a parent-child syndrome. (experts123.com)
Researchers1
  • Early researchers in the syndrome of NVLD Johnson and Myklebust characterize how the children appear in a classroom: "An example is the child who fails to learn the meaning of the actions of others. (wikipedia.org)
Case3
  • This case indicates the emergence of F. tularensis sinus on day 50 revealed acute infl ammation and a few type B in the Southern Hemisphere. (cdc.gov)
  • Subsequent literature regarding this newly recognized (but of course not truly new) "mast cell activation syndrome" (MCAS) included case reports as well as formal studies (mostly relatively small scale), reviews, and various proposals for formal diagnostic criteria. (degruyter.com)
  • Habib F, Elsaid MF, Salem KY, Ibrahim KO, Mohamed K. Oculo-ectodermal syndrome: A case report and further delineation of the syndrome. (medscape.com)
Disorders1
  • The study only involves a small number of cases, but adds to the growing body of scientific evidence surrounding Zika's connections to a host of disorders including Guillain-Barre syndrome . (courthousenews.com)
Diagnostic1
  • Mr A was diagnosed with Wernicke-Korsakoff syndrome according to DSM-IV diagnostic criteria, and diazepam detoxification, rehydration, and thiamine repletion therapy were started. (psychiatrist.com)
Patient2
Language1
Rare2