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Visual system dysfunction in migraine: a review of clinical and psychophysical findings.

Chronicle, E. P. and Mulleners, W. M. (1996) Visual system dysfunction in migraine: a review of clinical and psychophysical findings. Cephalalgia, 16 (8). pp. 525-535. ISSN 0333-1024

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Abstract

This paper reviews both clinical and experimental literature relating to visual dysfunction in migraine, starting with the eye and progressing via the retina and visual pathways to the visual cortex. Migraine is associated with (i) a pupillary sympathetic hypofunction, and (ii) a cortical hypersensitivity to visual stimuli (perhaps only in migraine with aura), the pathogenesis of which remains to be determined. Various hypotheses are discussed, and it is proposed that the methods of visual psychophysics may represent a useful approach in the future study of cortical hyperexcitability in migraine. Paradoxically, little research has been directed towards understanding (i) the photophobia of migraine attacks, and (ii) how migraine may be triggered by visual stimuli. Research aimed at elucidating the mechanisms of these phenomena may enhance understanding of the pathogenes is of migraine.

Item Type: Article
Journal or Publication Title: Cephalalgia
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 18987
Deposited By: ep_ss_importer
Deposited On: 06 Nov 2008 12:49
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 15:24
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18987

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