Anxiety and attentional bias for threat: an event-related potential study
Li, XY; Li, XB; Luo, YJ; Y. J. Luo
2005-09-08
发表期刊NEUROREPORT
ISSN0959-4965
文章类型Article
卷号16期号:13页码:1501-1505
摘要We investigated the attentional bias for threat in selected high and low trait-anxious participants using an event-related potential technique. A modified cue-target paradigm was adopted with threatening and nonthreatening pictures as uninformative location cues. In high anxious individuals, reactions were speeded up and the occipitoparietal PI amplitude was enhanced when targets appeared at the same location as threatening pictures relative to nonthreatening ones, whereas in low anxious individuals, the PI amplitude tended to be enhanced when the targets appeared at the opposite location to threatening pictures. These results suggest that the attentional bias caused by peripheral threatening stimuli is able to modulate the visual inputs in early processing stages, and this mechanism is markedly influenced by an individual's anxiety level.; We investigated the attentional bias for threat in selected high and low trait-anxious participants using an event-related potential technique. A modified cue-target paradigm was adopted with threatening and nonthreatening pictures as uninformative location cues. In high anxious individuals, reactions were speeded up and the occipitoparietal PI amplitude was enhanced when targets appeared at the same location as threatening pictures relative to nonthreatening ones, whereas in low anxious individuals, the PI amplitude tended to be enhanced when the targets appeared at the opposite location to threatening pictures. These results suggest that the attentional bias caused by peripheral threatening stimuli is able to modulate the visual inputs in early processing stages, and this mechanism is markedly influenced by an individual's anxiety level.
关键词anxiety attentional bias event-related potential PI threat
学科领域生理心理学/生物心理学 ; 情绪心理学
收录类别SCI ; SSCI
语种英语
WOS记录号WOS:000232456900019
引用统计
被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.psych.ac.cn/handle/311026/5191
专题中国科学院心理研究所回溯数据库(1956-2010)
通讯作者Y. J. Luo
作者单位1.Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100864, Peoples R China
2.Beijing Normal Univ, State Key Lab Cognit Neurosci & Learning, Beijing, Peoples R China
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GB/T 7714
Li, XY,Li, XB,Luo, YJ,et al. Anxiety and attentional bias for threat: an event-related potential study[J]. NEUROREPORT,2005,16(13):1501-1505.
APA Li, XY,Li, XB,Luo, YJ,&Y. J. Luo.(2005).Anxiety and attentional bias for threat: an event-related potential study.NEUROREPORT,16(13),1501-1505.
MLA Li, XY,et al."Anxiety and attentional bias for threat: an event-related potential study".NEUROREPORT 16.13(2005):1501-1505.
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