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  Does the two streams hypothesis hold for joint actions?

de la Rosa, S., Wahn, Y., Bülthoff, H., Fademrecht, L., Saulton, A., Meilinger, T., et al. (2015). Does the two streams hypothesis hold for joint actions?. Poster presented at 6th Joint Action Meeting (JAM 2015), Budapest, Hungary.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002A-4541-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-B364-5
Genre: Poster

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 Creators:
de la Rosa, S1, Author              
Wahn, Y2, Author              
Bülthoff, HH1, Author              
Fademrecht, L1, Author              
Saulton, A1, Author              
Meilinger, T1, Author              
Chang, D-S1, 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: Associating sensory action information with the correct action interpretation (semantic action categorization (SAC)) is important for successful joint action, e.g. for the generation of an appropriate complementary response. Vision for perception and vision for action has been suggested to rely on different visual mechanisms (two streams hypothesis). To better understand visual processes supporting joint actions, we compared SAC processes in passive observation and in joint actions. If passive observation and joint action taps into different SAC processes, then adapting SAC processes during passive observation should not affect the generation of complementary action responses. We used an action adaptation paradigm to selectively measure SAC processes in a novel virtual reality set up, which allowed participants to naturally interact with a human looking avatar. Participants visually adapted to an action of an avatar and gave a SAC judgment about a subsequently presented ambiguous action in three different experimental conditions: (1) by pressing a button (passive condition) or by either creating an action response (2) subsequently to (active condition) or (3) simultaneously with (joint action condition) the avatar's action. We found no significant difference between the three conditions suggesting that SAC mechanisms for passive observation and joint action shares similar processes.

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 Dates: 2015-07-02
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: delaRosaWBFSMC2015
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Title: 6th Joint Action Meeting (JAM 2015)
Place of Event: Budapest, Hungary
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Title: 6th Joint Action Meeting (JAM 2015)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 53 - 53 Identifier: -