Impairment of cyclopean surface processing by disparity-defined masking stimuli.

ABSTRACT: Binocular disparity signals allow for the estimation of three-dimensional shape, even in the absence of monocular depth cues. The perception of such disparity-defined form depends, however, on the linkage of multiple disparity measurements over space. Performance limitations in cyclopean tasks thus inform us about errors arising in disparity measurement and difficulties in the linkage of such measurements. We used a cyclopean orientation discrimination task to examine the perception of disparity-defined form. Participants were presented with random-dot sinusoidal modulations in depth and asked to report whether they were clockwise or counter-clockwise rotated. To assess the effect of different noise structures on measurement and linkage processes, task performance was measured in the prese

SUBMITTER: Goutcher R 

PROVIDER: S-EPMC7331773 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature