期刊
EMOTION
卷 15, 期 3, 页码 329-338出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/emo0000041
关键词
attention; eye movements; emotion; fear conditioning; threat
资金
- ERC [ERC-2012-AdG-323413]
Several studies have shown that threatening stimuli are prioritized by the visual system. In the present study we investigated whether a stimulus associated with a threat of electrical shock attracts attention and accordingly interferes with the execution of voluntary eye movements to other locations. In 2 experiments, we showed that when a fear-conditioned and a neutral stimulus were presented simultaneously, voluntary saccades were initiated faster toward fear-conditioned compared with neutral stimuli. Moreover, saccades often erroneously went to the location of threat even when a saccade to a different location was required. This implies an automatic shift of attention to a fear-conditioned stimulus that interferes with saccade execution. The same pattern of results was found for a neutral stimulus that was always presented together with the fear-conditioned stimulus and consequently itself became associated with threat. The current results indicate that threatening stimuli attract visual attention and subsequently bias saccade target selection in a reflexive fashion.
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