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  A matter of perspective: action recognition depends on stimulus orientation in the periphery

Fademrecht, L., Bülthoff, I., & de la Rosa, S. (2014). A matter of perspective: action recognition depends on stimulus orientation in the periphery. Poster presented at 37th European Conference on Visual Perception (ECVP 2014), Beograd, Serbia.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-3261-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-352F-0
Genre: Poster

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http://pec.sagepub.com/content/43/1_suppl.toc (Publisher version)
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 Creators:
Fademrecht, L1, 2, Author              
Bülthoff, Isa1, 2, Author              
de la Rosa, Stephan1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Recognizing actions of others in the periphery is required for fast and appropriate reactions to events in our environment (e.g. seeing kids running towards the street when driving). Previous results show that action recognition is surprisingly accurate even in far periphery (<=60° visual angle (VA)) when actions were directed towards the observer (front view). The front view of a person is considered to be critical for social cognitive processes (Schillbach et al., 2013). To what degree does the orientation of the observed action (front vs. profile view) influence the identification of the action and the recognition of the action's valence across the horizontal visual field? Participants saw life-size stick figure avatars that carried out one of six motion-captured actions (greeting actions: handshake, hugging, waving and aggressive actions: slapping, punching and kicking). The avatar was shown on a large screen display at different positions up to 75° VA. Participants either assessed the emotional valence of the action or identified the action either as ‘greeting’ or as ‘attack’. Orientation had no significant effect on accuracy. Reaction times were significantly faster for profile than for front views (p=0.003) for both tasks, which is surprising in light of recent suggestions

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 Dates: 2014-08
 Publication Status: Published in print
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 Identifiers: DOI: 10.1177/03010066140430S101
BibTex Citekey: FademrechtBd2014_2
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Title: 37th European Conference on Visual Perception (ECVP 2014)
Place of Event: Beograd, Serbia
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Title: Perception
Source Genre: Journal
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Publ. Info: London : Pion Ltd.
Pages: - Volume / Issue: 43 (ECVP Abstract Supplement) Sequence Number: - Start / End Page: 103 - 103 Identifier: ISSN: 0301-0066
CoNE: /journals/resource/954925509369