Prediction of migraine attacks using a slow cortical potential, the contingent negative variation

Amplitudes of contingent negative variation (CNV) as a slow cortical potential in migraine patients were recorded before and after migraine attacks. The level of CNV amplitudes, especially of the early component, showed a trend in rise of negativity 1 day before the attack, whereas amplitudes were n...

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Bibliographic Details
Published in:Neuroscience letters 1998-11, Vol.257 (2), p.73-76
Main Authors: Kropp, Peter, Gerber, Wolf-Dieter
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Cerebral Cortex - physiopathology
Contingent negative variation
Contingent Negative Variation - physiology
Disease Susceptibility - physiopathology
Forecasting
Humans
Medical sciences
Migraine
Migraine Disorders - physiopathology
Neurology
Periodicity
Prediction
Reaction Time - physiology
Vascular diseases and vascular malformations of the nervous system
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Summary:Amplitudes of contingent negative variation (CNV) as a slow cortical potential in migraine patients were recorded before and after migraine attacks. The level of CNV amplitudes, especially of the early component, showed a trend in rise of negativity 1 day before the attack, whereas amplitudes were normal for 2–3 days following an attack. In most cases the attack occurred when the CNV amplitude showed maximum negativity. We conclude that migraine-susceptible days are indicated by a high CNV amplitude the day before the attack.
ISSN:0304-3940
1872-7972
DOI:10.1016/S0304-3940(98)00811-8