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Titolo:
PICTURING PERIPHERAL ACUITY
Autore:
ANSTIS S;
Indirizzi:
UNIV CALIF SAN DIEGO,DEPT PSYCHOL LA JOLLA CA 92093
Titolo Testata:
Perception
fascicolo: 7, volume: 27, anno: 1998,
pagine: 817 - 825
SICI:
0301-0066(1998)27:7<817:>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
CORTICAL MAGNIFICATION FACTOR; POSITRON-EMISSION TOMOGRAPHY; CRITICAL FLICKER FREQUENCY; RANDOM-DOT PATTERNS; SINE-WAVE PATTERNS; STRIATE CORTEX; CONTRAST SENSITIVITY; RETINOTOPIC ORGANIZATION; GANGLION-CELLS; DIFFERENT ECCENTRICITIES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Citazioni:
67
Recensione:
Indirizzi per estratti:
Citazione:
S. Anstis, "PICTURING PERIPHERAL ACUITY", Perception, 27(7), 1998, pp. 817-825

Abstract

The grain of the retina becomes progressively coarser from the fovea to the periphery. This is caused by the decreasing number of retinal receptive fields and decreasing amount of cortex devoted to each degreeof visual field (= cortical magnification factor) as one goes into the periphery. We simulate this with a picture that is progressively blurred towards its edges; when strictly fixated at its centre it looks equally sharp all over.

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Documento generato il 30/10/20 alle ore 00:54:14