Anticipating instrumentally obtained and passively-received rewards: A factorial fMRI investigation

被引：90

作者：

Bjork, James M. ^{[1
]}

Hommer, Daniel W. ^{[1
]}

机构：

[1] NIAAA, Lab Clin & Translat Studies, NIH, Bethesda, MD 20892 USA

来源：

BEHAVIOURAL BRAIN RESEARCH | 2007年 / 177卷 / 01期

关键词：

reward; incentive motivation; fMRI; instrumental behavior;

D O I：

10.1016/j.bbr.2006.10.034

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

During functional magnetic resonance imaging (fMRI), subjects saw cues signaling probabilities of 1.0, 0.5, and 0 of winning $1 for hitting a subsequent target, and cues signaling similar probabilities of reward delivery requiring no instrumental response. Non-instrumental reward anticipation did not elicit activation. Instrumental reward anticipation activated multiple nodes of the basal ganglia-thalamocortical motor circuit. Ventromesial striatum was activated by joint requirement for an instrumental response together with uncertain (but not certain) reward. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：165 / 170

页数：6

共 19 条

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