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大鼠皮层自发癫痫状活动起源的时空特征 被引量:2

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摘要 应用电压敏感染料和光学记录方法研究大鼠皮层中自发癫痫状发放的起源过程.4AP可以诱发两种自发的癫痫状发放:间期发放和发作状发放.两种发放拥有相同的起源过程,都是起源于局部区域(单起源点,直径约400μm),然后传播到其他区域;两种发放的传播速度相同,都约为0.1m/s.但是两种发放的起源点的分布不同,间期发放的起源点呈分散分布,而发作状发放的起源点分布集中,呈簇集分布,间期发放和发作状发放起源点之间没有明显的时空联系.这些结果提示两种癫痫状发放可能是不同起因触发的相同过程.
出处 《中国科学(C辑)》 CSCD 北大核心 2005年第2期138-145,共8页 Science in China(Series C)
基金 美国国家卫生研究院(NIH)科研基金(NS36477) 怀特霍尔科研基金资助项目
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同被引文献63

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