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  What Is the speed of perceptual processes underlying joint-action recognition

de la Rosa, S., & Chatziastros, A. (2009). What Is the speed of perceptual processes underlying joint-action recognition. In 3rd Joint Action Meeting (JAM 2009) (pp. 21).

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de la Rosa, S1, 2, 3, Autor           
Chatziastros, A1, 2, Autor           
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
3Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528702              

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 Zusammenfassung: oint-actions are an integral part of everyday human life. It is often critical
in everyday situations that joint-act
ions are recognized quickly as when one
is driving on a road and has to recognize children playing with a ball on a
sidewalk to detect a possible danger. Surprisingly relatively little is known
about the speed of joint-action recogn
ition. Here we investigated how fast
joint-actions can be recognized on
three levels of detail (detection,
categorization, and identification). We assessed the speed of joint-action
recognition by comparing the speed of j
oint-action recognition with object
recognition, which is known to be fast (e.g. Thorpe et al., 1996). In a series
of experiments we present
ed static images of object
s and joint-actions at
varying presentation times to partici
pants and measured their detection,
categorization, and identification pe
rformance. We find that presentation
times of less than 80 ms allowed joint-action recognition to be highly
accurate (79%) in all three recognition
tasks. Interestingly for some joint-
actions we found identification to be as fast as object identification. Overall
it seems that the speed of detecting
and identifying joint-actions and
objects are comparable. This poses a challenge to the notion that humans
employ time consuming inferential processes in the recognition of joint-
action (“theory of mind”). Moreover we
find that the speed of joint-action
and object categorization differ significantly suggesting that objects and
joint-actions are processed early on
by different perceptual processes.

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 Datum: 2009-07
 Publikationsstatus: Online veröffentlicht
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Veranstaltung

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Titel: 3rd Joint Action Meeting (JAM 2009)
Veranstaltungsort: Amsterdam, The Netherlands
Start-/Enddatum: 2009-07-27 - 2009-07-29

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Titel: 3rd Joint Action Meeting (JAM 2009)
Genre der Quelle: Konferenzband
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Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 21 Identifikator: -