A left amygdala mediated network for rapid orienting to masked fearful faces

被引:125
作者
Carlson, Joshua M. [1 ,2 ,3 ]
Reinke, Karen S. [2 ,4 ]
Habib, Reza [2 ,3 ]
机构
[1] SUNY Stony Brook, Sch Med, Dept Biomed Engn, Hlth Sci Ctr 18 030, Stony Brook, NY 11794 USA
[2] Mem Hosp Carbondale, Carbondale, IL USA
[3] So Illinois Univ, Dept Psychol, Carbondale, IL 62901 USA
[4] Univ Illinois Springfield, Dept Psychol, Springfield, IL USA
关键词
Fearful faces; Spatial attention; Amygdala; Backward masking; Emotion; EVENT-RELATED FMRI; FACIAL EXPRESSIONS; SPATIAL ATTENTION; RESPONSES; ACTIVATION; MODULATE; SIGNALS; THREAT; SYSTEM;
D O I
10.1016/j.neuropsychologia.2009.01.026
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
A rapid response to environmental threat is highly adaptive and fearful facial expressions serve as important threat cues. The biological significance of these threat cues is demonstrated by neuroimaging findings of amygdala responses to backward masked fearful faces. Additionally, behavioral dot-probe studies reveal that backward masked fearful faces modulate spatial attention. However, little is known about the behavioral impact of the amygdala sensitivity to masked fearful faces. Using a dot-probe task with event-related functional magnetic resonance imaging (fMRI), we provide the first evidence that the amygdala is involved in orienting to backward masked fearful faces. Furthermore, this spatial attention-related amygdala response was correlated with activity in the anterior cingulate, superior temporal sulcus, and lingual gyrus. Published by Elsevier Ltd.
引用
收藏
页码:1386 / 1389
页数:4
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