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Issue:
The Relationship Between Brain Acetylcholine Release And Cognitive Activity
Author(s):
YU Ping
,
QU Chun-Huan
,
LI Xin-Wang
,
GUO Chun-Yan
Pages:
453
-
457
Year:
2008
Issue:
3
Journal:
ADVANCES IN PSYCHOLOGICAL SCIENCE
Keyword:
乙酰胆碱
;
学习与记忆
;
注意
;
自发活动量
;
探究行为.
;
Abstract:
脑内细胞外乙酰胆碱(ACh)的变化主要反映胆碱能神经元的活动,皮层和海马等脑区的ACh主要来源于基底前脑胆碱能神经元的纤维投射.应用微透析等技术在体检测清醒、自由活动动物认知过程中脑内乙酰胆碱的含量,可以研究ACh与特定行为反应和认知活动之间的关系.研究发现当机体需要对新刺激进行分析时,在学习与记忆,空间工作记忆、注意、自发运动和探究行为等认知活动中,基底前脑胆碱能神经元被激活,脑内ACh的释放也随之改变.结果提示脑内胆碱能递质系统活动与认知过程密切相关.
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