Natural selective attention: orienting and emotion.

Natural selective attention: orienting and emotion.
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自然的选择性关注:定向和情感。

DOI:
10.1111/j.1469-8986.2008.00702.x
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发表时间:
2009-01
期刊:
影响因子:
3.7
通讯作者:
Bradley MM
Bradley MM
中科院分区:
心理学3区
文献类型:
--
作者:
Bradley MM

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定向和注意力的基础被假设为源于防御和食欲动机系统的激活,这些系统的进化是为了保护和维持个体的生命。动机激活启动了一系列知觉和运动过程,促进了适当行为的选择。其中包括事件相关电位中晚期中心-顶叶阳性的显著性检测、初始心脏减速的增强感知处理和皮肤电变化的准备。数据探索的作用,刺激的新奇和意义,在定向,表明不同的组件的定向反应习惯于不同的速度。两者合计,它表明,定向是介导的激活的基本动机系统,已演变为支持生存。
The foundations of orienting and attention are hypothesized to stem from activation of defensive and appetitive motivational systems that evolved to protect and sustain the life of the individual. Motivational activation initiates a cascade of perceptual and motor processes that facilitate the selection of appropriate behavior. Among these are detection of significance, indexed by a late centro-parietal positivity in the event-related potential, enhanced perceptual processing, indexed by a initial cardiac deceleration, and preparation for action, indexed by electrodermal changes. Data exploring the role of stimulus novelty and significance in orienting are presented that indicate different components of the orienting response habituate at different rates. Taken together, it is suggested that orienting is mediated by activation of fundamental motivational systems that have evolved to support survival.
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