Modeling dopamine modulation of delay-period activity in prefrontal cortex during working memory processes

被引：0

作者：

Camperi, M

Rugai, N

机构：

[1] Univ San Francisco, Dept Phys, San Francisco, CA 94117 USA

[2] Univ San Francisco, Dept Comp Sci, San Francisco, CA 94117 USA

来源：

NEUROCOMPUTING | 2000年 / 32卷

关键词：

working memory; dopamine; network rate model; bistability;

D O I：

10.1016/S0925-2312(00)00228-9

中图分类号：

TP18 [人工智能理论];

学科分类号：

081104 ; 0812 ; 0835 ; 1405 ;

摘要：

We present a network rate model of the mechanisms that may participate in working-memory dopamine modulation in the PFC. The model provides a mechanism to limit the natural lifetime of working memory delay-period activity. Moreover, it also exhibits selective potentiation or depression of memory fields by local application of dopamine agonists or antagonists. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：651 / 657

页数：7

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