Pattern Reversal Visual Evoked Potentials in Migraine with Aura and Migraine Aura Without Headache
- 1 August 1998
- journal article
- research article
- Published by SAGE Publications in Cephalalgia
- Vol. 18 (6) , 319-323
- https://doi.org/10.1046/j.1468-2982.1998.1806319.x
Abstract
Pattern reversal visual evoked potentials (PVEPs) were recorded in 20 patients with migraine with aura (MA), 19 patients with migraine without headache (migraine equivalent; ME) during interictal periods, and 34 normal subjects. All migraine patients had hemianopsia or fortification spectra during attacks. In both MA and ME patients of less than 49 years of age, there were significant (ppp<0.01) correlation between percentage asymmetries and the duration of illness in both MA and ME. We conclude from our PVEP findings that cortical spreading depression remains the most likely explanation for the migraine visual aura.Keywords
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