Functional magnetic resonance Imaging of human absence seizures

被引：192
|
作者：
Salek-Haddadi, A [1 ]
Lemieux, L
Merschhemke, M
Friston, KJ
Duncan, JS
Fish, DR
机构：
[1] Natl Soc Epilepsy, MRI Unit, Gerrards Cross SL9 0RJ, Bucks, England
[2] UCL, Inst Neurol, Dept Clin & Expt Epilepsy, London, England
[3] UCL, Inst Neurol, Wellcome Dept Imaging Neurosci, London, England
[4] Natl Hosp Neurol & Neurosurg, Dept Clin Neurophysiol, London WC1N 3BG, England
来源：
ANNALS OF NEUROLOGY | 2003年 / 53卷 / 05期
基金：
英国医学研究理事会;
关键词：
D O I：
10.1002/ana.10586
中图分类号：
R74 [神经病学与精神病学];
学科分类号：
摘要：
We studied a patient with idiopathic generalized epilepsy and frequent absences, using electroencephalogram-correlated functional magnetic resonance imaging. Four prolonged runs of generalized spike-wave discharge occurred during a 35-minute experiment. Time-locked activation was observed bilaterally within the thalami in conjunction with widespread but symmetrical cortical deactivation with a frontal maximum. We demonstrate the reciprocal participation of focal thalamic and widespread cortical networks during human absence seizures and suggest reductions in cortical blood flow, in response to synchronized electroencephalogram activity.
引用
收藏
页码：663 / 667
页数：5
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