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    Colour vision in migraine: selective deficits for s-cone discriminations

    Shepherd, Alex J. (2005) Colour vision in migraine: selective deficits for s-cone discriminations. Cephalalgia 25 (6), pp. 412-423. ISSN 0333-1024.

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    Abstract

    Three studies are reported that explore colour perception in migraine. In each, sensitivity for colours detected selectively by the S-cones and the L- and M-cones was assessed separately. The first study assessed the discrimination of small colour differences using the Farnsworth-Munsell 100-hue test. The second assessed threshold detection for purple, yellow, red and green targets on five equiluminant background colours. The third examined supra-threshold colour scaling using two colour series, purple-yellow and red-green. Each study indicated that differences in colour perception between migraine and control groups were restricted to colours detected by the S-cones, there were no differences in performance for colours detected by the L- and M-cones. The results are discussed in terms of possible pathologies in the early visual pathways.

    Metadata

    Item Type: Article
    School: School of Science > Psychological Sciences
    Depositing User: Sarah Hall
    Date Deposited: 17 Feb 2020 16:08
    Last Modified: 18 Feb 2020 09:01
    URI: https://eprints.bbk.ac.uk/id/eprint/30981

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