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  The role of attention in the processing of biological motion

Thornton, I., Cavanagh, P., & Labianca, A. (2000). The role of attention in the processing of biological motion. Poster presented at 23rd European Conference on Visual Perception (ECVP 2000), Groningen, Netherlands.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E496-4 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E497-2
Genre: Poster

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 Creators:
Thornton, IM1, Author              
Cavanagh, P, Author
Labianca, AT, Author
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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 Abstract: Previous studies have shown that some forms of biological-motion displays--specifically those in which bottom - up integration is possible--can be processed very effectively when attention is allocated to a demanding secondary task (Thornton et al, 1998 Perception Supplement, 68b; Thornton et al, 1999 Perception Supplement, 35c). Here we further explore the role of attention in biological-motion processing using visual search and flanker interference paradigms. Even in the absence of masking elements, detection of a target walker amongst distractor walkers (set size ranged between 1 and 4 walkers) was always slow and effortful, requiring approximately 116 ms per item when the target was defined in terms of direction of locomotion (left-facing walker amongst right-facing walkers or vice versa), and close to 200 ms per item when the nature of target motion was varied (phase-scrambled versus phase-normal walkers). These findings suggest that the individuation of walking figures in these displays requires attention. We are currently using a concurrent flanker task to explore whether this reallocation of attention is a controlled or automatic process.

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 Dates: 2000-08
 Publication Status: Published in print
 Pages: -
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 Identifiers: URI: http://www.perceptionweb.com/abstract.cgi?id=v000353
BibTex Citekey: 162
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Title: 23rd European Conference on Visual Perception (ECVP 2000)
Place of Event: Groningen, Netherlands
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