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  When Action Observation Facilitates Visual Perception: Activation in Visuo-Motor Areas Contributes to Object Recognition

Sim, E.-J., Helbig, H., Graf, M., & Kiefer, M. (2015). When Action Observation Facilitates Visual Perception: Activation in Visuo-Motor Areas Contributes to Object Recognition. Cerebral Cortex, 25(9), 2907-2918. doi:10.1093/cercor/bhu087.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-44B2-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-C79C-A
Genre: Journal Article

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 Creators:
Sim, E-J, Author
Helbig, HB, Author              
Graf, M1, 2, Author              
Kiefer, M, 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, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Recent evidence suggests an interaction between the ventral visual-perceptual and dorsal visuo-motor brain systems during the course of object recognition. However, the precise function of the dorsal stream for perception remains to be determined. The present study specified the functional contribution of the visuo-motor system to visual object recognition using functional magnetic resonance imaging and event-related potential (ERP) during action priming. Primes were movies showing hands performing an action with an object with the object being erased, followed by a manipulable target object, which either afforded a similar or a dissimilar action (congruent vs. incongruent condition). Participants had to recognize the target object within a picture–word matching task. Priming-related reductions of brain activity were found in frontal and parietal visuo-motor areas as well as in ventral regions including inferior and anterior temporal areas. Effective connectivity analyses suggested functional influences of parietal areas on anterior temporal areas. ERPs revealed priming-related source activity in visuo-motor regions at about 120 ms and later activity in the ventral stream at about 380 ms. Hence, rapidly initiated visuo-motor processes within the dorsal stream functionally contribute to visual object recognition in interaction with ventral stream processes dedicated to visual analysis and semantic integration.

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 Dates: 2015-09
 Publication Status: Published in print
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 Identifiers: DOI: 10.1093/cercor/bhu087
BibTex Citekey: SimHGK2014
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Title: Cerebral Cortex
Source Genre: Journal
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Publ. Info: New York, NY : Oxford University Press
Pages: - Volume / Issue: 25 (9) Sequence Number: - Start / End Page: 2907 - 2918 Identifier: ISSN: 1047-3211
CoNE: https://pure.mpg.de/cone/journals/resource/954925592440