Anterior prefrontal cortex contributions to attention control

被引：40
|
作者：
Pollmann, S [1 ]
机构：
[1] Univ Hosp Leipzig, Day Clin Cognit Neurol, D-04103 Leipzig, Germany
来源：
EXPERIMENTAL PSYCHOLOGY | 2004年 / 51卷 / 04期
关键词：
attention; working memory; executive processes; frontopolar cortex; fMRI;
D O I：
10.1027/1618-3169.51.4.270
中图分类号：
B84 [心理学];
学科分类号：
04 ; 0402 ;
摘要：
In a series of event-related functional magnetic resonance studies, we consistently found activation in anterior prefrontal cortex related to visual dimension changes in singleton search tasks. I review these data and discuss possible contributions of anterior prefrontal cortex to attention control in visual search. It is proposed that anterior prefrontal cortex may detect task-relevant stimulus changes when the target is ambiguously defined. This process may occur in the absence of awareness and may support visual dimension weighting by inhibition of the old relevant dimension in favor of the new dimension.
引用
收藏
页码：270 / 278
页数：9
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