CONTINGENT NEGATIVE-VARIATION DURING MIGRAINE ATTACK AND INTERVAL - EVIDENCE FOR NORMALIZATION OF SLOW CORTICAL POTENTIALS DURING THE ATTACK

被引:144
作者
KROPP, P
GERBER, WD
机构
[1] Institute of Medical Psychology, Center of Nervous Diseases, Kiel
关键词
CONTINGENT NEGATIVE VARIATION; HABITUATION; MIGRAINE;
D O I
10.1046/j.1468-2982.1995.015002123.x
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The contingent negative variation (CNV) amplitudes of 16 subjects with migraine without aura were studied during pain-free intervals and during attacks and the results were compared with those of 22 healthy subjects. In 32 trials the CNV amplitudes were calculated for (a) ''total interval'', (b) ''early CNV component'', (c) ''late CNV component'', and (d) habituation. There was a significantly higher total CNV amplitude in migraine subjects during pain-free intervals compared to that of the healthy subjects and migraine patients during an attack. Healthy subjects as well as subjects studied during the attack showed a significant habituation whereas migraine subjects studied during pain-free intervals did not. This suggests that the higher CNV amplitude in migraine patients studied between pain-free attacks may be due in part to impaired habituation.
引用
收藏
页码:123 / 128
页数:6
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