Redundancy gain in binocular rivalry

Ritchie, Kay L., Bannerman, Rachel L. and Sahraie, Arash (2014) Redundancy gain in binocular rivalry. Perception, 43 (12). pp. 1316-1328. ISSN 0301-0066

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A behavioural advantage is found across a wide range of stimuli when two targets are
presented in opposite hemifields compared with those targets being presented together in one hemifield,
or one target being presented alone. This advantage for responses to multiple targets versus a single
target is often termed redundancy gain. Here we report on the findings of two experiments investigating
redundancy gain in binocular rivalry. Experiment 1 presented a rival pair in one hemifield with an
additional image presented to both eyes in the opposite hemifield. There was a weak effect of this
stable image on the perceived dominance of the images within the rival pair. Experiment 2 presented
a second rival pair in either the same or opposite hemifield and showed that instances of joint
predominance were greater when the two pairs were presented in opposite hemifields than within
the same hemifield. Therefore, the findings suggest that redundancy gain may be extended to stimuli
presented under binocular rivalry conditions.

Keywords:binocular vision, NotOAChecked
Subjects:C Biological Sciences > C800 Psychology
C Biological Sciences > C830 Experimental Psychology
Divisions:College of Social Science > School of Psychology
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ID Code:24066
Deposited On:13 Sep 2016 13:13

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