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Showing 1 to 15 of 30 results Save | Export
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Keri, Szabolcs; Szamosi, Andras; Benedek, Gyorgy; Kelemen, Oguz – Neuropsychologia, 2012
Paired associates learning is impaired in both schizophrenia and amnestic mild cognitive impairment (aMCI), which may reflect hippocampal pathology. In addition, schizophrenia is characterized by the dysfunction of the retino-geniculo-striatal magnocellular (M) visual pathway. The purpose of this study was to investigate the interaction between…
Descriptors: Visual Perception, Memory, Schizophrenia, Neurological Impairments
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Skakoon-Sparling, Shayna P.; Vasquez, Brandon P.; Hano, Kate; Danckert, James – Brain and Cognition, 2011
The superior parietal cortex is critical for the control of visually guided actions. Research suggests that visual stimuli relevant to actions are preferentially processed when they are in peripersonal space. One recent study demonstrated that visually guided movements towards the body were more impaired in a patient with damage to superior…
Descriptors: Brain, Neurological Organization, Neurological Impairments, Visual Perception
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Li, Xiaobo; Sroubek, Ariane; Kelly, Mary S.; Lesser, Iris; Sussman, Elyse; He, Yong; Branch, Craig; Foxe, John J. – Journal of the American Academy of Child & Adolescent Psychiatry, 2012
Objective: The neurobiological basis of inattentiveness, a core feature of attention-deficit/hyperactivity disorder (ADHD), is not yet well understood. Structural abnormalities in thalamus, especially the pulvinar nuclei, have recently been reported in ADHD. Pulvinar nuclei maintain reciprocal connections with cortical/subcortical areas, and play…
Descriptors: Attention Deficit Hyperactivity Disorder, Attention Span, Brain Hemisphere Functions, Neurological Impairments
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Bertone, Armando; Hanck, Julie; Kogan, Cary; Chaudhuri, Avi; Cornish, Kim – Journal of Autism and Developmental Disorders, 2010
We have previously described (see companion paper, this issue) the utility of using perceptual signatures for defining and dissociating condition-specific neural functioning underlying early visual processes in autism and FXS. These perceptually-driven hypotheses are based on differential performance evidenced only at the earliest stages of visual…
Descriptors: Causal Models, Autism, Pathology, Cognitive Processes
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Cowell, Rosemary A.; Bussey, Timothy J.; Saksida, Lisa M. – Journal of Cognitive Neuroscience, 2010
We examined the organization and function of the ventral object processing pathway. The prevailing theoretical approach in this field holds that the ventral object processing stream has a modular organization, in which visual perception is carried out in posterior regions and visual memory is carried out, independently, in the anterior temporal…
Descriptors: Brain Hemisphere Functions, Cognitive Processes, Neurological Organization, Visual Perception
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Van Hoorn, Jessika F.; Maathuis, Carel G. B.; Peters, Lieke H. J.; Hadders-Algra, Mijna – Developmental Medicine & Child Neurology, 2010
Aim: The study investigated the relationships between handwriting, visuomotor integration, and neurological condition. We paid particular attention to the presence of minor neurological dysfunction (MND). Method : Participants were 200 children (131 males, 69 females; age range 8-13y) of whom 118 received mainstream education (mean age 10y 5mo, SD…
Descriptors: Handwriting, Severity (of Disability), Neurological Organization, Neurological Impairments
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Patel, S. K.; Mullins, W. A.; O'Neil, S. H.; Wilson, K. – Journal of Intellectual Disability Research, 2011
Background: The purpose of this study is to evaluate the relationship between brain tumour location and core areas of cognitive and behavioural functioning for paediatric brain tumour survivors. The extant literature both supports and refutes an association between paediatric brain tumour location and neurocognitive outcomes. We examined…
Descriptors: Intelligence, Academic Achievement, Radiology, Short Term Memory
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Bridge, Holly; Thomas, Owen; Jbabdi, Saad; Cowey, Alan – Brain, 2008
The full extent of the brain's ability to compensate for damage or changed experience is yet to be established. One question particularly important for evaluating and understanding rehabilitation following brain damage is whether recovery involves new and aberrant neural connections or whether any change in function is due to the functional…
Descriptors: Neurological Impairments, Brain, Cognitive Processes, Visual Perception
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Coello, Yann; Danckert, James; Blangero, Annabelle; Rossetti, Yves – Neuropsychologia, 2007
Visual illusions have been shown to affect perceptual judgements more so than motor behaviour, which was interpreted as evidence for a functional division of labour within the visual system. The dominant perception-action theory argues that perception involves a holistic processing of visual objects or scenes, performed within the ventral,…
Descriptors: Visual Perception, Brain, Neurological Organization, Neurological Impairments
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Clements-Stephens, Amy M.; Rimrodt, Sheryl L.; Gaur, Pooja; Cutting, Laurie E. – Neuropsychologia, 2008
Neuroimaging studies investigating the neural network of visuospatial processing have revealed a right hemisphere network of activation including inferior parietal lobe, dorsolateral prefrontal cortex, and extrastriate regions. Impaired visuospatial processing, indicated by the Judgment of Line Orientation (JLO), is commonly seen in individuals…
Descriptors: Brain Hemisphere Functions, Neurological Impairments, Visual Impairments, Spatial Ability
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Kogan, C. S.; Boutet, I.; Cornish, K.; Graham, G. E.; Berry-Kravis, E.; Drouin, A.; Milgram, N. W. – Journal of Intellectual Disability Research, 2009
Background: Standardised neuropsychological and cognitive measures present some limitations in their applicability and generalisability to individuals with intellectual disability (ID). Alternative approaches to defining the cognitive signatures of various forms of ID are needed to advance our understanding of the profiles of strengths and…
Descriptors: Mental Retardation, Down Syndrome, Short Term Memory, Recognition (Psychology)
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Antshel, Kevin M.; Fremont, Wanda; Kates, Wendy R. – Developmental Disabilities Research Reviews, 2008
Although research has focused primarily on the wide range of variability in the cognitive phenotype between individuals with velo-cardio-facial syndrome (VCFS), we know relatively little about the extent to which within-individual expressions of the cognitive phenotype remain stable throughout development. General cognitive functioning in the low…
Descriptors: Neurology, Neurological Impairments, Neurological Organization, Genetic Disorders
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Dilks, Daniel D.; Hoffman, James E.; Landau, Barbara – Developmental Science, 2008
Evidence suggests that visual processing is divided into the dorsal ("how") and ventral ("what") streams. We examined the normal development of these streams and their breakdown under neurological deficit by comparing performance of normally developing children and Williams syndrome individuals on two tasks: a visually guided action ("how") task,…
Descriptors: Vision, Cognitive Processes, Child Development, Developmental Stages
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Calkins, Monica E.; Iacono, William G.; Ones, Deniz S. – Brain and Cognition, 2008
Several forms of eye movement dysfunction (EMD) are regarded as promising candidate endophenotypes of schizophrenia. Discrepancies in individual study results have led to inconsistent conclusions regarding particular aspects of EMD in relatives of schizophrenia patients. To quantitatively evaluate and compare the candidacy of smooth pursuit,…
Descriptors: Eye Movements, Schizophrenia, Patients, Genetics
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Gooding, Diane C.; Basso, Michele A. – Brain and Cognition, 2008
This review focuses on saccade research with adult psychiatric patients. It begins with an introduction of the various types of saccades and the tasks used to evoke them. The functional significance of the different types of eye movements is briefly discussed. Research findings regarding the saccadic performance of different adult psychiatric…
Descriptors: Eye Movements, Patients, Mental Disorders, Psychiatry
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