Perceptual size discrimination requires awareness and late visual areas: A continuous flash suppression and interocular transfer study

Peel, Hayden J., Sherman, Joshua A., Sperandio, Irene, Laycock, Robin and Chouinard, Philippe (2019) Perceptual size discrimination requires awareness and late visual areas: A continuous flash suppression and interocular transfer study. Consciousness and Cognition, 67. pp. 77-85. ISSN 1053-8100

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Abstract

We applied continuous flash suppression (CFS) during an interocular transfer paradigm to evaluate the importance of awareness and the contribution of early versus late visual structures in size recognition. Specifically, we tested if size judgements of a visible target could be influenced by a congruent or incongruent prime presented to the same or different eye. Without CFS, participants categorised a target as “small” or “large” more quickly when it was preceded by a congruent prime – regardless of whether the prime and target were presented to the same or different eye. Interocular transfer enabled us to infer that the observed priming was mediated by late visual areas. In contrast, there was no priming under CFS, which underscores the importance of awareness. We conclude that awareness and late visual structures are important for size perception and that any subconscious processing of the stimulus has minimal effect on size recognition.

Item Type: Article
Uncontrolled Keywords: size perception,consciousness,perceptual discrimination,continuous flash suppression (cfs),priminginterocular transfer
Faculty \ School: Faculty of Social Sciences > School of Psychology
Depositing User: LivePure Connector
Date Deposited: 31 Jan 2019 12:30
Last Modified: 18 Mar 2020 02:34
URI: https://ueaeprints.uea.ac.uk/id/eprint/69772
DOI: 10.1016/j.concog.2018.11.012

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