Redundancy gain in binocular rivalry

<p>A behavioural advantage is found across a wide range of stimuli when two targets arepresented 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 singletarget is often termed redundancy gain. Here we report on the findings of two experiments investigatingredundancy gain in binocular rivalry. Experiment 1 presented a rival pair in one hemifield with anadditional image presented to both eyes in the opposite hemifield. There was a weak effect of thisstable image on the perceived dominance of the images within the rival pair. Experiment 2 presenteda second rival pair in either the same or opposite hemifield and showed that instances of jointpredominance were greater when the two pairs were presented in opposite hemifields than withinthe same hemifield. Therefore, the findings suggest that redundancy gain may be extended to stimulipresented under binocular rivalry conditions.</p>