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Titolo:
THE EFFECT OF AGE, RETINAL ECCENTRICITY, AND SPEED ON THE DETECTION OF OPTIC FLOW COMPONENTS
Autore:
ATCHLEY P; ANDERSEN GJ;
Indirizzi:
UNIV CALIF RIVERSIDE,DEPT PSYCHOL RIVERSIDE CA 92521 UNIV CALIF RIVERSIDE,DEPT PSYCHOL RIVERSIDE CA 92521
Titolo Testata:
Psychology and aging
fascicolo: 2, volume: 13, anno: 1998,
pagine: 297 - 308
SICI:
0882-7974(1998)13:2<297:TEOARE>2.0.ZU;2-6
Fonte:
ISI
Lingua:
ENG
Soggetto:
SUPERIOR TEMPORAL AREA; MOTION-IN-DEPTH; COHERENT MOTION; MACAQUE MONKEY; VISUAL-FIELD; MST NEURONS; 3-DIMENSIONAL SURFACES; EXPANSION CONTRACTION; RESPONSE SELECTIVITY; ROTATION CELLS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Citazioni:
63
Recensione:
Indirizzi per estratti:
Citazione:
P. Atchley e G.J. Andersen, "THE EFFECT OF AGE, RETINAL ECCENTRICITY, AND SPEED ON THE DETECTION OF OPTIC FLOW COMPONENTS", Psychology and aging, 13(2), 1998, pp. 297-308

Abstract

Forty observers participated in a study examining the effect of age on the detection of motion in central and peripheral vision. Detection of lamellar (Experiment 1) and radial flow (Experiment 2) was measuredfor 20 younger observers and 20 older observers (10 men and 10 women in each group). Motion thresholds were measured for angles of 0 degrees, 10 degrees, 20 degrees, and 40 degrees off fovea. The results indicated significant differences between older and younger adults for bothmotion types. The effect of age was mediated by the gender of the observer as well as the retinal eccentricity of the display. Older women showed higher thresholds for lamellar flow at fovea, consistent with previous findings. The findings suggest that age-related changes in visual information processing are affected by changes in the temporal characteristics of the motion processing system. A model is proposed in which 2 different streams of processing are used for the recovery and use of motion information.

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Documento generato il 28/11/20 alle ore 04:43:34