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Titolo:
VISUAL-SPATIAL DEFICITS EXPLAIN VISUAL SYMPTOMS IN ALZHEIMERS-DISEASE
Autore:
BUTTER CM; TROBE JD; FOSTER NL; BERENT S;
Indirizzi:
WK KELLOGG EYE CTR,1000 WALL ST ANN ARBOR MI 48105 UNIV MICHIGAN,DEPT PSYCHOL ANN ARBOR MI 00000 UNIV MICHIGAN,DEPT OPHTHALMOL ANN ARBOR MI 00000 UNIV MICHIGAN,DEPT NEUROL ANN ARBOR MI 00000 UNIV MICHIGAN,DEPT PSYCHIAT ANN ARBOR MI 48109
Titolo Testata:
American journal of ophthalmology
fascicolo: 1, volume: 122, anno: 1996,
pagine: 97 - 105
SICI:
0002-9394(1996)122:1<97:VDEVSI>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Soggetto:
OBJECT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
20
Recensione:
Indirizzi per estratti:
Citazione:
C.M. Butter et al., "VISUAL-SPATIAL DEFICITS EXPLAIN VISUAL SYMPTOMS IN ALZHEIMERS-DISEASE", American journal of ophthalmology, 122(1), 1996, pp. 97-105

Abstract

PURPOSE: To determine whether the visual symptoms of patients with Alzheimer's disease are related to visual-spatial dysfunction. METHODS: We administered a test battery modified from existing neuropsychometric materials that taxed visual-spatial skills, form identification, color vision, and visual memory. We tested 14 patients with Alzheimer's disease who had visual symptoms prominent enough to prompt ophthalmologic consultation, 11 patients with Alzheimer's disease who lacked such visual symptoms, and a control group of 53 subjects without Alzheimer's disease, The groups with Alzheimer's disease were matched for Wechsler Adult Intelligence Scale-Revised scores. RESULTS: Patients with Alzheimer's disease who had prominent visual symptoms differed significantly from those without prominent visual symptoms only in their relatively poor visual-spatial test scores. CONCLUSIONS: Visual symptoms in Alzheimer's disease are related primarily to visual-spatial deficits, These findings are consistent with previous evidence that patients withAlzheimer's disease who have prominent visual symptoms have accentuated histologic and metabolic abnormalities in the parieto-occipital regions known to process visual-spatial information, The findings supportthe view that pathways mediating visual-spatial and form identification are at least partially segregated in the brain, and emphasize that tests used to screen visually symptomatic patients with Alzheimer's disease will be more effective if they prominently assess visual-spatialskills.

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Documento generato il 11/07/20 alle ore 07:23:52