• ATL and tacrine treatment attenuated OBX-induced cognitive deficits, whereas ATL and imipramine improved OBX-induced depression-like behavior. (hindawi.com)
  • Evidence indicates a close relationship between depressive disorder and cognitive deficits in human patients [ 10 , 11 ]. (hindawi.com)
  • These findings contribute to a better understanding of basic sensory processing differences, which may be critical for understanding more complex social and cognitive deficits in ASD, and ultimately may contribute to more effective diagnostic and interventional strategies. (frontiersin.org)
  • An explanation for the cognitive deficits in the CCI mice is the abnormal concentration of the tau protein discovered in the left hippocampus (Zhang et al. (thenatphil.com)
  • Spatial discrimination deficits as a function of mnemonic interference in aged adults with and without memory impairment. (musc.edu)
  • For instance, performance on a working memory but not on a short-term memory task was affected by articulatory suppression suggesting that impairment on the spatial task was caused by the concurrent performance on a task that had extensive use of executive resources. (wikipedia.org)
  • Hormone treatment substantially reversed the marked age-related impairment vehicle-injected monkeys exhibited on a delayed response test of spatial working memory. (jneurosci.org)
  • In the double task, also cerebellar patients showed an intentional saccade impairment that correlates with the deficit in the attentional control. (uni-muenchen.de)
  • The phonological deficit hypothesis presents DDx as an impairment in phonological awareness: the ability to perceive and manipulate the sounds of spoken words. (ibe-unesco.org)
  • Although evidence for deficits in sensory (and multisensory) processing is abundant in the ASD literature, there are also a number of reports detailing enhanced perceptual capabilities in response to specific sensory stimuli. (frontiersin.org)
  • Furthermore, deficits in this latter group were related not to the number of discriminations to be learned and remembered, but to the degree of "feature ambiguity," a property of visual discriminations that can emerge when features are part of both rewarded and unrewarded stimuli. (jneurosci.org)
  • For the one patient that we were able to test extensively, contrast sensitivity for static stimuli was normal, but was very low for direction discrimination at high spatial frequencies and all temporal frequencies. (pisavisionlab.org)
  • We advance a possible explanation of a reduced spatial sampling of the motion stimuli and report a simple model that simulates well the experimental results. (pisavisionlab.org)
  • No electrophysiological studies of attended speech sound processing in aphasia have been performed for stimuli that are discriminable even for patients with severe auditory comprehension deficits. (sagepub.com)
  • Since most aphasic tion and to the engagement of a target reaction are patients have auditory comprehension deficits, the ques- reflected by the P3 component which is mainly generated tion whether and to what degree speech sound perception in parietal regions and in the case of auditory stimuli in is impaired in aphasia has been much investigated [1-15]. (sagepub.com)
  • Rather, several studies have attended paradigms in order to investigate auditory revealed patients with severe auditory comprehension processing is small, more studies with non-speech stimuli deficits but no or minor speech sound perception impair- have been conducted, often using tones presented in odd- ments, or patients with mild auditory comprehension def- ball paradigms. (sagepub.com)
  • Visual process is the capability to generate, perceive, analyse, synthesise, manipulate, transform and think with spatial patterns and stimuli (WISC-IV - 2008). (ukessays.com)
  • The most recent version of this model suggests that there are four subcomponents to WM: phonological loop, the visuo-spatial sketchpad, the central executive, and the episodic buffer. (wikipedia.org)
  • One component of this model, the visuo-spatial sketchpad, is likely responsible for the temporary storage, maintenance, and manipulation of both visual and spatial information. (wikipedia.org)
  • However, much of the research into the visuo-spatial memory construct have been conducted in accordance to the paradigm advanced by Baddeley and Hitch. (wikipedia.org)
  • Research into the exact function of the visuo-spatial sketchpad has indicated that both spatial short-term memory and working memory are dependent on executive resources and are not entirely distinct. (wikipedia.org)
  • This illustrates how, within the visuo-spatial domain, both STM and WM require similar utility of the central executive. (wikipedia.org)
  • Previous findings suggest that visuo-spatial statistical learning might relate to numerical processing mechanisms. (iucc.ac.il)
  • Hence, the current study examines for the first time visuo-spatial SL in a population with a deficiency in the numerical system: individuals with mathematical learning difficulties (MLD). (iucc.ac.il)
  • Thirty-two female participants (16 with MLD and 16 matched controls) were tested on a visuo-spatial statistical learning task. (iucc.ac.il)
  • The results revealed that visuo-spatial SL was significantly worse in the MLD group than in a control group, although MLD performed as well as controls in a visual discrimination task. (iucc.ac.il)
  • In addition, whereas the control group showed reliable visuo-spatial SL above chance, the MLD group did not. (iucc.ac.il)
  • Levy, S, Turk-Browne, NB & Goldfarb, L 2023, ' Impaired visuo-spatial statistical learning with mathematical learning difficulties ', Visual Cognition . (iucc.ac.il)
  • Deficits were also observed on non-visual sensorimotor coordination tasks and in olfactory discrimination. (aston.ac.uk)
  • The rotarod is a simple test for detecting sensorimotor deficits, in which the rat is placed on a moving rod, forcing them to begin walking in order not to fall off of the apparatus. (kennedykrieger.org)
  • Our data show that aged dogs are impaired on a complex pattern separation task (six-well task) relative to easier tasks (four-well or six-well pattern discrimination task), and that the age-related deficits are due to loss of perceptual and inhibitory control in addition to the loss of spatial discrimination and pattern separation ability. (ed.gov)
  • If true, not all types of perceptual discrimination will reveal impairments in patients with MTL damage encompassing perirhinal cortex, only those taxing the ability to represent feature conjunctions. (jneurosci.org)
  • His optokinetic nystagmus movements were normal but he was unable to track a single translating target, indicating a perceptual origin of the tracking deficit. (pisavisionlab.org)
  • The perceptual deficit for translational motion was reinforced by functional magnetic resonance imaging studies. (pisavisionlab.org)
  • Reinvang, Ivar 2007-01-19 00:00:00 Background: The role of impaired sound and speech sound processing for auditory language comprehension deficits in aphasia is unclear. (sagepub.com)
  • Although studies suggest that the central executive is intimately involved in a number of spatial tasks, the exact way in which they are connected remains to be seen. (wikipedia.org)
  • Although both groups were equally impaired on standard recall-based memory tasks, they exhibited different profiles of performance on the object discrimination test, arguing against a unitary view of MTL function. (jneurosci.org)
  • All discrimination tasks were performed during the preparation of the saccade to the cued target and also during fixation. (uni-muenchen.de)
  • There is good evidence for N1 amplitude icits who performed poorly in speech sound reduction to an attended and frequent tone stimulus in discrimination and identification tasks [2-4,6,9,15]. (sagepub.com)
  • 1. Difficulty with perception inteeres with tasks requiring fine discrimination. (arabpsychology.com)
  • This study investigated effects of the aqueous extract of its leaves (ATL) on cognitive and emotional deficits using an olfactory bulbectomized mouse (OBX) model. (hindawi.com)
  • Recollection of spatial details is a top-down procedure that requires an individual to recall the superordinate features of a cognitive map, followed by the ordinate and subordinate features. (wikipedia.org)
  • Patients with AD exhibited early-onset symptoms, such as memory loss, disorientation, and executive function deficits (Armstrong, 2019). (thenatphil.com)
  • PCBs cause significant neurotoxicity, including decreased exploratory behavior, learning, spatial and non-spatial discrimination, auditory deficits and altered levels of brain neurotransmitters (dopamine and serotonin) (ATSDR 2000b). (ewg.org)
  • Ophthalmologic findings of AD include visual field deficits, decreased contrast sensitivity, impaired oculomotor function, and abnormal viewing behavior. (aao.org)
  • Dementia represents a diverse category of syndromes characterized by deficits in memory, cognitive function, and behavior. (cdc.gov)
  • These findings suggest that ATL is beneficial for the treatment of cognitive and emotional deficits related to dementia with depressive symptoms and that the antidementia effect of ATL is mediated by normalizing the function of central cholinergic systems. (hindawi.com)
  • Overall, these data provide important insight into age-related pattern separation deficits in a higher animal model and offers additional means for evaluating the impact of lifestyle and pharmaceutical interventions on episodic memory in preclinical trials. (ed.gov)
  • In cognitive psychology and neuroscience, spatial memory is a form of memory responsible for the recording and recovery of information needed to plan a course to a location and to recall the location of an object or the occurrence of an event. (wikipedia.org)
  • The severe deficit for motion perception was also evident in the seminatural situation of a driving simulation video game. (pisavisionlab.org)
  • Spatial memory is necessary for orientation in space. (wikipedia.org)
  • Spatial memory can also be divided into egocentric and allocentric spatial memory. (wikipedia.org)
  • A person's spatial memory is required to navigate around a familiar city. (wikipedia.org)
  • A rat's spatial memory is needed to learn the location of food at the end of a maze. (wikipedia.org)
  • Spatial memory has representations within working, short-term memory and long-term memory. (wikipedia.org)
  • Research indicates that there are specific areas of the brain associated with spatial memory. (wikipedia.org)
  • Many methods are used for measuring spatial memory in children, adults, and animals. (wikipedia.org)
  • Spatial memory is a cognitive process that enables a person to remember different locations as well as spatial relations between objects. (wikipedia.org)
  • Spatial memory recall is built upon a hierarchical structure. (wikipedia.org)
  • Approximately three to six weeks following the trauma, the mice performed in tests to assess for deficits in locomotion, learning, and memory. (thenatphil.com)
  • When observing any alterations for learning and memory, a novel object recognition test demonstrated a reduction in discrimination between the novel and familiar objects in CCI mice, showing their inability to remember objects previously presented to them. (thenatphil.com)
  • This explained deficits in spatial memory, where the mice cannot form memories on spatial orientation. (thenatphil.com)
  • This treatment even improved deficits in locomotion and memory. (thenatphil.com)
  • 1. Occasional memory deficit causes some difficulty. (arabpsychology.com)
  • 2. Memory deficit interferes significantly with new learning. (arabpsychology.com)
  • Chudasama Y, Robbins TW (2003) Dissociable contributions of the orbitofrontal and infralimbic cortex to Pavlovian autoshaping and discrimination reversal learning: further evidence for the functional heterogeneity of the rodent frontal cortex. (springer.com)
  • 1994). It confirmed the functional difference between two pathways while participants performed object recognition and spatial location task. (ukessays.com)
  • Additionally, during a spatial visualisation task (which is related to executive functioning and not STM or WM) concurrent executive suppression impaired performance indicating that the effects were due to common demands on the central executive and not short-term storage. (wikipedia.org)
  • To investigate this issue, the performance of two groups of amnesic patients, one with selective bilateral hippocampal damage and another with damage to MTL regions including perirhinal cortex, was assessed on concurrent object discriminations adapted from those used in monkeys. (jneurosci.org)
  • Rapid extraction of temporal and spatial patterns from repeated experience is known as statistical learning (SL). (iucc.ac.il)
  • N2 attenuation suggests reduced attended stimulus classification and discrimination. (sagepub.com)
  • This results in problems in terms of class information extraction especially using pixel-based image classification methods in which spatial information existing between a pixel and its neighbours is not used. (univpm.it)
  • To overcome these deficits, the use of vegetation indexes (NDVI feature and TDVI masks) and texture (GLCM and edge-density features) is investigated with respect to its impact on land cover/land use classification. (univpm.it)
  • Their use is based on the observation that the human mind more easily remembers spatial, personal, surprising, physical, sexual, humorous, or otherwise "relatable" information, rather than more abstract or impersonal forms of information. (wikipedia.org)
  • The relation between covert and overt spatial attention and saccadic eye movements was investigated in control subjects, Parkinson's Disease (PD) patients, and cerebellar patients in a dual-task paradigm. (uni-muenchen.de)
  • Rats 18 months or 3 months old were trained with a new procedure to assess spatial discrimination in the Morris water maze. (nootropic.com)
  • We also assessed the dogs' ability to show pattern separation and discrimination reversal, which provides a novel extension of the pattern separation learning literature. (ed.gov)
  • Our data also suggest that aged animals show pattern separation deficits when the objects are brought progressively closer together while changing the location of both correct and incorrect objects. (ed.gov)
  • Although clinical uses of amphetamines exist for adolescents, most notably for Attention-Deficit/Hyperactivity Disorder, the repeated recreational or illicit use of amphetamines during this time period has implications for long-term brain and behavioral development. (springer.com)
  • The main question was how different types of cues (reflexive/intentional) guide the spatial attention during fixation or during the preparation phase of a saccade. (uni-muenchen.de)
  • In both humans and animals, spatial memories are summarized as a cognitive map. (wikipedia.org)
  • Spatial memories are said to form after a person has already gathered and processed sensory information about her or his environment. (wikipedia.org)
  • We found similar, bilateral brain activations during pushing the cursor in different spatial directions, involving the putamen, cerebellum, middle frontal gyrus, parietal cortex, and supplementary motor area. (gitlab.io)
  • Siegel JS , Shulman GL, Corbetta M . Mapping correlated neurological deficits after stroke to distributed brain networks. (neurotree.org)
  • Post-stroke reorganization of transient brain activity characterizes deficits and recovery of cognitive functions. (neurotree.org)
  • In this study, to obtain a better understanding of the potential availability of A. trifoliatus for the treatment of cognitive and emotional dysfunction, we elucidated the antidementia and antidepressive effects of A. trifoliatus using an animal model of olfaction deficits. (hindawi.com)
  • Chronic ALCAR treatment enhanced spatial acquisition in the NE of rats with age-related behavioral impairments and had a slight effect on retention of the spatial discrimination in the FE. (nootropic.com)
  • The present experiment examined the effects of aging and ALCAR in Fischer 344 rats on retention of spatial discrimination test in a familiar environment (FE), and on the acquisition of a spatial discrimination in a novel environment (NE). (nootropic.com)
  • The old rats displayed heterogeneous performance and a spatial discrimination deficit. (nootropic.com)
  • With collaborators, we are exploring the behavioral and anatomic consequences of induced malformations by testing rats in various auditory discrimination paradigms and subsequent examination of their brains. (dyslexialab.net)
  • To resolve this discrepancy, amnesic patients with either selective hippocampal damage or more extensive MTL damage were tested on variations of an object discrimination task adapted from the nonhuman primate literature. (jneurosci.org)
  • In the light of land mapping, there are two main features related to IKONOS imagery: lack of spectral information (4 spectral bands) and high spectral variability (high spatial resolution). (univpm.it)
  • Students with visual processing deficits do not always see these differences and have difficulty putting items in the correct order. (handyhandouts.com)
  • The results of the control subjects showed that discrimination of the character is always better at the cued side irrespective of the eye movement condition or the cue relevance, suggesting that spatial attention is engaged at the cued location even under fixation conditions and irrespective of the relevance of the cue. (uni-muenchen.de)
  • In addition to listening difficulties, communication challenges may also stem from commonly-reported comorbid conditions, including language and anxiety disorders as well as attention deficits. (entandaudiologynews.com)
  • Two spatial features are prominent in navigating a path: general layout and landmark orienting (Kahana et al. (wikipedia.org)
  • Most learning disorders are complex or mixed, with deficits in more than one system. (msdmanuals.com)