Do emotional stimuli interfere with response inhibition? Evidence from the stop signal paradigm

被引:240
作者
Verbruggen, Frederick [1 ]
De Houwer, Jan [1 ]
机构
[1] Univ Ghent, Dept Expt Psychol, B-9000 Ghent, Belgium
关键词
D O I
10.1080/02699930600625081
中图分类号
B84 [心理学];
学科分类号
04 ; 0402 ;
摘要
Participants performed a stop signal task in which an emotional picture preceded a neutral stimulus. They were asked to respond on the basis of the identity of the neutral stimulus unless an auditory tone was presented, in which case participants should try to withhold their response. In Experiment 1, we used positive, neutral and negative pictures. Results demonstrated that the presentation of an emotional stimulus prolonged both response and stopping latencies regardless of the valence of the emotional stimulus. This suggested that the degree of arousal could modulate the interference effect. In Experiment 2, high- and low-arousing pictures with a positive or negative valence were used. In line with the arousal hypothesis, high-arousal pictures interfered more with responding and stopping than low-arousing pictures whereas the valence of the pictures had little or no effect. These findings support the hypothesis that emotional stimuli interrupt ongoing cognitively controlled activities because they attract attention away from these ongoing activities.
引用
收藏
页码:391 / 403
页数:13
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