恐惧条件反射机制研究的新进展

被引:6
作者
刘文义
张锦
机构
[1] 中国医科大学盛京医院麻醉科
关键词
恐惧; 杏仁核; 长时程增强;
D O I
暂无
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
恐惧条件反射是条件性刺激和非条件性刺激联系在一起时,机体对条件性刺激产生的一种防御性反应。研究表明这两种刺激产生联系的关键部位是杏仁核外侧核区。当条件性刺激和非条件性刺激耦联时,Ca2+通过外侧核区突触上的N-甲基-D-天门冬氨酸受体和电压门控性Ca2+通道进入神经元,引起细胞内一系列分子反应,形成长时程增强,最终导致恐惧条件反射产生。
引用
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页码:66 / 69
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