Colour categories are reflected in sensory stages of colour perception when stimulus issues are resolved.

Forder, L., He, X. and Franklin, A., 2017. Colour categories are reflected in sensory stages of colour perception when stimulus issues are resolved. PLoS ONE, 12 (5), e0178097.

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DOI: 10.1371/journal.pone.0178097

Abstract

Debate exists about the time course of the effect of colour categories on visual processing. We investigated the effect of colour categories for two groups who differed in whether they categorised a blue-green boundary colour as the same- or different-category to a reliably-named blue colour and a reliably-named green colour. Colour differences were equated in just-noticeable differences to be equally discriminable. We analysed event-related potentials for these colours elicited on a passive visual oddball task and investigated the time course of categorical effects on colour processing. Support for category effects was found 100 ms after stimulus onset, and over frontal sites around 250 ms, suggesting that colour naming affects both early sensory and later stages of chromatic processing.

Item Type:Article
ISSN:1932-6203
Additional Information:This work was supported by a European Research Council Starting Grant (project “CATEGORIES”) 283605 (to AF). http://erc.europa. eu/. The funder had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript
Group:Faculty of Science & Technology
ID Code:29294
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:07 Jun 2017 13:39
Last Modified:07 Jun 2017 13:39

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