Inducing conscious perception of colour in blindsight

Silvanto, Juha, Cowey, Alan and Walsh, Vincent (2008) Inducing conscious perception of colour in blindsight. Current Biology, 18 (20). R950-R951. ISSN 0960-9822

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Official URL: http://dx.doi.org/10.1016/j.cub.2008.08.016

Abstract

The phenomenon of blindsight the manifestation by forced-choice guessing of visual processing despite the total loss of visual awareness caused by damage to striate cortex (V1) [1] has influenced many current theories of visual awareness [2,3]. We have investigated whether hemianopic subject GY is able consciously to experience colour in his blind field by using a TMS-chromatic adaptation paradigm, in which TMS applied after visual adaptation to a coloured background preferentially facilitates the perception of the adapted attribute [4]. Our results show that GY can perceive colour in his blind field, and that the identity of the colour is determined by the contralesional hemisphere.

Item Type: Article
Subjects: University of Westminster > Social Sciences and Humanities
Depositing User: Miss Nina Watts
Date Deposited: 07 Aug 2013 14:33
Last Modified: 17 Jun 2014 10:34
URI: http://westminsterresearch.wmin.ac.uk/id/eprint/12870

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