Accession Number : AD0670011

Title :   PULFRICH EFFECT WITH MINIMAL DIFFERENTIAL ADAPTATION OF THE EYES.

Descriptive Note : Interim rept.,

Corporate Author : ARMY MEDICAL RESEARCH LAB FORT KNOX KY

Personal Author(s) : Dodwell,Peter C. ; Harker,George S. ; Behar,Isaac

Report Date : 05 APR 1968

Pagination or Media Count : 23

Abstract : Both experienced and naive Ss measured the displacement of a Pulfrich target with a sensitive stereoptometer when only the image of the moving target was filtered. The usual monotonic function of filter density was observed; the calculated retinal latency differences were consistent with those in the literature. Asymmetries in the Pulfrich effect with respect to direction of motion and individual differences were noted. It is suggested that two processes are confounded in the usual Pulfrich situation--contrast of the Pulfrich target and retinal adaptation. (Author)

Descriptors :   (*VISION, ADAPTATION(PHYSIOLOGY)), RETINA, SPACE PERCEPTION, MOTION, BRIGHTNESS, POSITION FINDING, TARGETS

Subject Categories : Psychology

Distribution Statement : APPROVED FOR PUBLIC RELEASE