Parietal control of attentional guidance: The significance of sensory, motivational and motor factors

被引：36

作者：

Gottlieb, Jacqueline ^{[1
,2
]}

Balan, Puiu ^{[1
]}

Oristaglio, Jeff ^{[1
]}

Suzuki, Mototaka ^{[1
]}

机构：

[1] Columbia Univ, Dept Neurosci, New York, NY 10032 USA

[2] Columbia Univ, Dept Psychiat, New York, NY 10032 USA

来源：

NEUROBIOLOGY OF LEARNING AND MEMORY | 2009年 / 91卷 / 02期

关键词：

Attention; Parietal cortex; Priority map; Learning; LATERAL INTRAPARIETAL AREA; VISUAL-SEARCH; SPATIAL ATTENTION; COVERT ATTENTION; MACAQUE MONKEY; CORTEX; REPRESENTATION; INACTIVATION; INTEGRATION; CONNECTIONS;

D O I：

10.1016/j.nlm.2008.09.013

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：

The lateral intraparietal area (LIP), a portion of monkey posterior parietal cortex, has been implicated in spatial attention. We review recent evidence showing that LIP encodes a priority map of the external environment that specifies the momentary locus of attention and is activated in a variety of behavioral tasks. The priority map in LIP is shaped by task-specific motor, cognitive and motivational variables, the functional significance of which is not entirely understood. We suggest that these modulations represent teaching signals by which the brain learns to identify attentional priority of various stimuli based on the task-specific associations between these stimuli, the required action and expected Outcome. (c) 2008 Elsevier Inc. All rights reserved.

引用

页码：121 / 128

页数：8

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