Journal
VISION RESEARCH
Volume 49, Issue 5, Pages 536-543Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.visres.2008.12.015
Keywords
Colour perception; Colour deficiency; Heterozygosity; Multidimensional scaling; Individual differences
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Funding
- Massey University Research fund
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We examined colour perception among a group of women heterozygous for colour vision deficiency. Judgements of colour dissimilarity were collected by presenting colour stimuli in groups of three for odd-one-out decisions. The judgements were summarised as one consensus colour space for the heterozygotes and another for age-matched controls. Individual differences MDS was also applied, resulting in a single colour space which can be adjusted to fit each subject's responses individually by compressing it along its axes. Heterozygous women showed a trend towards colour-space compression in a red-green dimension, or reduced salience of that dimension compared to controls, though less extreme than found in overt colour deficiency. (C) 2009 Elsevier Ltd. All rights reserved.
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