Results 1 to 10 of about 2,139,976 (192)
Differentiation of Types of Visual Agnosia Using EEG [PDF]
Visual recognition deficits are the hallmark symptom of visual agnosia, a neuropsychological disorder typically associated with damage to the visual system.
Sarah M. Haigh +3 more
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Associative Visual Agnosia: A Case Study [PDF]
We report a case of massive associative visual agnosia. In the light of current theories of identification and semantic knowledge organization, a deficit involving both levels of structural description system and visual semantics must be assumed to ...
A. Charnallet +3 more
doaj +4 more sources
Acquired visual agnosia as an uncommon presentation of epileptic encephalopathy in a 6-year-old boy with CSWS [PDF]
Background: Acquired visual agnosia in the context of continuous spikes and waves during slow sleep (CSWS) is rarely described. We present a case of an almost 7-year-old boy who lost his ability to name pictures and recognize familiar faces.
Loretta van Iterson +5 more
doaj +2 more sources
As was originally proposed by Lissauer, visual recognition may break down either at an apperceptive or at an associative level. At an apperceptive level, finer grain distinctions may be made; the authors distinguished here between disorders of shape recognition and perceptual integration.
Iftah Biran
exaly +8 more sources
Visual form-processing deficits: A global clinical classification
Introduction: Patients who have difficulties recognising visual form stimuli are usually labelled as having visual agnosia. However, recent studies let us identify different clinical manifestations corresponding to discrete diagnostic entities which ...
J. Unzueta-Arce +5 more
doaj +2 more sources
Clinical features and imaging biomarkers of posterior cortical atrophy
Objective To summarize the clinical and imaging features of patients with posterior cortical atrophy (PCA). Methods and Results Five patients with PCA admitted in West China Hospital, Sichuan University from April to June 2021 were included.
Li⁃ping YAO +4 more
doaj +1 more source
Cerebral visual disorders include a range of common and rare deficits. They can be divided into effects on low-, intermediate-, and high-level forms of visual processing.
Jason J S. Barton
doaj +1 more source
Dementia comprises a collection of cognitive and sensory symptoms, including memory loss, communication difficulties, difficulty in planning and problem solving, disorientation and confusion, compromised olfaction, loss of visual perception, agnosia; and
Farid Rahimi
doaj +1 more source
Isolated metamorphopsia: a rare presentation of splenial infarction of the corpus callosum [PDF]
Metamorphopsia is the visual misperception of the shape of objects. Retinal diseases, especially those affecting the macula, are responsible for the majority of cases. However, it can also be seen during migraine attacks, epileptic seizures and damage to
Miruna Florentina Ates +4 more
doaj +1 more source

