Author:
BREITMEYER BRUNO G.,ZIEGLER RALPH,HAUSKE GERT
Abstract
Following up on a prior study of contour and brightness processing in
visual masking (Breitmeyer et al., 2006), we
investigated the effects of a binocular and dichoptic para-contrast
masking on the visibility of the contour and brightness of a target
presented to the other eye. Combined, the results support the
contributions of several cortical processes to para-contrast: (1) two
central sources of inhibition, one long-latency and prolonged and the
other short-latency and brief; (2) binocular rivalry suppression; and (3)
a facilitatory effect peaking at different SOAs for the contour and the
brightness tasks, reflecting; (4) known properties of two separate
cortical systems, one a fast contour-processing pathway and the other a
slower brightness-processing pathway.
Publisher
Cambridge University Press (CUP)
Subject
Sensory Systems,Physiology
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