Startle modulation by affective faces

被引：44

作者：

Anokhin, Andrey P. ^{[1
]}

Golosheykin, Simon ^{[1
]}

机构：

[1] Washington Univ, Sch Med, Dept Psychiat, St Louis, MO 63110 USA

来源：

BIOLOGICAL PSYCHOLOGY | 2010年 / 83卷 / 01期

关键词：

Startle reflex; Facial expression; Emotion; FACIAL EXPRESSIONS; HUMAN AMYGDALA; GENDER-DIFFERENCES; NEURAL SYSTEMS; EMOTION; PERCEPTION; FEAR; RECOGNITION; STIMULI; REFLEX;

D O I：

10.1016/j.biopsycho.2009.10.001

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

Startle reflex modulation by affective pictures is a well-established effect in human emotion research. However, much less is known about startle modulation by affective faces, despite the growing evidence that facial expressions robustly activate emotion-related brain circuits. In this study, acoustic startle probes were administered to 37 young adult participants (20 women) during the viewing of slides from the Pictures of Facial Affect set including neutral, happy, angry, and fearful faces. The effect of expression valence (happy, neutral, and negative) on startle magnitude was highly significant (p < .001). Startle reflex was strongly potentiated by negative expressions (fearful and angry), however, no attenuation by happy faces was observed. A significant valence by gender interaction suggests stronger startle potentiation effects in females. These results demonstrate that affective facial expressions can produce significant modulation of the startle reflex. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：37 / 40

页数：4

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