Signature movements lead to efficient search for threatening actions

Research output: Contribution to journalArticleResearchpeer-review

20 Citations (Scopus)

Abstract

The ability to find and evade fighting persons in a crowd is potentially life-saving. To investigate how the visual system processes threatening actions, we employed a visual search paradigm with threatening boxer targets among emotionally-neutral walker distractors, and vice versa. We found that a boxer popped out for both intact and scrambled actions, whereas walkers did not. A reverse correlation analysis revealed that observers responses clustered around the time of the punch , a signature movement of boxing actions, but not around specific movements of the walker. These findings support the existence of a detector for signature movements in action perception. This detector helps in rapidly detecting aggressive behavior in a crowd, potentially through an expedited (sub)cortical threat-detection mechanism
Original languageEnglish
Article numbere37085
Number of pages6
JournalPLoS ONE
Volume7
Issue number5
DOIs
Publication statusPublished - 2012
Externally publishedYes

Cite this

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Signature movements lead to efficient search for threatening actions. / van Boxtel, Jeroen Johan Adrien; Lu, Hongjing.

In: PLoS ONE, Vol. 7, No. 5, e37085, 2012.

Research output: Contribution to journalArticleResearchpeer-review

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