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[运动条件反射程序转换期间犬额叶皮质的神经元活动]

[The neuronal activity of the frontal cortex in dogs during a shift in motor conditioned reflex programs].

作者信息

Kozlov A P, Vartanian G A

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 1995 Jan-Feb;45(1):198-201.

PMID:7754693
Abstract

Two groups of units with different discharge patterns were identified in dog's frontal cortex during reinforcement period of reversal conditioning. Activity of the first group of units was closely related to reinforcement presentation and was influenced by reward/nonreward history in trials preceding the current one. Units of the second group displayed tonic increase of firing which followed food ingestion and persisted for 4-10 s.

摘要

在反转条件反射的强化期，在犬额叶皮层中识别出两组具有不同放电模式的神经元群。第一组神经元的活动与强化刺激的呈现密切相关，并受当前试验之前试验中的奖励/无奖励历史的影响。第二组神经元在食物摄入后出现持续4 - 10秒的紧张性放电增加。

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