The cognitive neuroscience of human vision draws on two kinds of evidence: functional
imaging of normal subjects and the study of neurological patients with visual disorders …

To See But Not To See A Case Study of Visual Agnosia Page 1 Page 2 To See But Not To See
A Case Study of Visual Agnosia Glyn W. Humphreys Birkbeck College, London University …

Associative visual agnosia is classically defined as normal visual perception stripped of its
meaning [Archiv für Psychiatrie und Nervenkrankheiten 21 (1890) 22/English translation …

Agnosias are disorders of recognition, specific to one sensory channel, that affect either the
perceptual analysis of the stimulus or the recognition of its meaning. In the visual modality …

CLINICAL neurology has revealed several examples of that uncommon disorder, visual
agnosia, but only to increase the disagreement regarding the traditional concept. This …

A single case study of a patient with visual agnosia is presented. The patient had a marked
impairment in visual object recognition along with good tactile object identification and a …

Disagreement over the neuroanatomical substrate of associative visual agnosia
encompasses such basic issues as:(1) the necessity for bilateral lesions;(2) the …

We investigated the ability of a patient (DF) with profound visual form agnosia to perform a
variety of tasks requiring visual imagery. Despite her inability to discriminate between …

A patient with associative visual agnosia secondary to a penetrating bitemporooccipital
lesion remained able to draw complex objects from memory but could not subsequently …

FOR almost a century, visual agnosia, conventionally defined as seeing without recognition,
has been demonstrated and investigated. Bona fide clinical cases are rare and most …