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Results for “ALEXIA”

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At least 271 records · Page 15Linked to original sources
PubMed1975

Associative visual agnosia without alexia.

A brain-damaged man was unable to appreciate the nature of objects and meaningful nonverbal symbols presented visually, although he could see, draw, describe, and match these stimuli. He had no difficulty understanding visually presented words. Auditory and tactile recognition of both verbal and nonverbal stimuli were normal. Our findings provide evidence that two neuropsychologic mechanisms were responsible for this disorder. One was an interhemispheric visual-verbal disconnection; the other was a specific categorization defect for visual, nonverba, meaningful stimuli. Neither mechanism alone was sufficient; both were necessary.

Agnosia↗
PubMed1984

Visual agnosia without alexia.

A 41-year-old man presented with bilateral posterior cerebral artery infarcts. He had visual object agnosia and prosopagnosia with preservation of reading abilities. There was also defective visual memory, topographic orientation, and color perception, as well as simultanagnosia. From the clinical facts and CT findings, it was postulated that bilateral visual-limbic disconnection accounted for the patient's visual agnosia and related disturbances.

Adult↗
PubMed1975

[Anomia and alexia during a closed craniocerebral injury].

Observation of a traumatic aphasia in a young man. After a coma and a period of mental confusion, language difficulties are limited, during a few weeks, to a severe global deficit in reading and naming. Meanwhile objects and pictures are perfectly recognized and the meaning of some words can be understood correctly. The commentary is made with reference to previous reports of similar case histories. Clinical and neuropsychological data suggest a focal lesion in the left temporal lobe, probably on the 2nd and the 3rd gyri.

Accidents, Traffic↗