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Categorical perception of colour in the left and right visual field is verbally mediated: Evidence from Korean

Roberson, D and Pak, H and Hanley, JR (2008) 'Categorical perception of colour in the left and right visual field is verbally mediated: Evidence from Korean.' Cognition, 107 (2). 752 - 762. ISSN 0010-0277

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Abstract

In this study we demonstrate that Korean (but not English) speakers show Categorical perception (CP) on a visual search task for a boundary between two Korean colour categories that is not marked in English. These effects were observed regardless of whether target items were presented to the left or right visual field. Because this boundary is unique to Korean, these results are not consistent with a suggestion made by Drivonikou [Drivonikou, G. V., Kay, P., Regier, T., Ivry, R. B., Gilbert, A. L., Franklin, A. et al. (2007) Further evidence that Whorfian effects are stronger in the right visual field than in the left. Proceedings of the National Academy of Sciences 104, 1097-1102] that CP effects in the left visual field provide evidence for the existence of a set of universal colour categories. Dividing Korean participants into fast and slow responders demonstrated that fast responders show CP only in the right visual field while slow responders show CP in both visual fields. We argue that this finding is consistent with the view that CP in both visual fields is verbally mediated by the left hemisphere language system. © 2007 Elsevier B.V. All rights reserved.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Jim Jamieson
Date Deposited: 10 Nov 2011 11:48
Last Modified: 23 Jan 2019 00:17
URI: http://repository.essex.ac.uk/id/eprint/1190

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