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  Failure of colour and contrast polarity identification at threshold for detection of motion and global form

Seymour, K., McDonald, J., & Clifford, C. (2009). Failure of colour and contrast polarity identification at threshold for detection of motion and global form. Vision Research, 49(12), 1592-1598. doi:10.1016/j.visres.2009.03.022.

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Seymour, KJ1, Author              
McDonald, JS, Author
Clifford, CWG, Author
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1External Organizations, ou_persistent22              

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 Abstract: We used identification at threshold to systematically measure binding costs in two visual modalities. We presented a conjunction of two features as a signal stimulus and concurrently measured detection and identification performance as a function of three threshold variables: duration, contrast and coherence. Discrepancies between detection and identification sensitivity functions demonstrated a consistent processing cost to visual feature binding. Our findings suggest that feature binding is indeed a genuine problem for the brain to solve. This simple paradigm can transfer across arbitrary feature combinations and is therefore suitable to use in experiments addressing mechanisms of sensory integration.

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 Dates: 2009-06
 Publication Status: Published in print
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 Identifiers: DOI: 10.1016/j.visres.2009.03.022
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Title: Vision Research
  Other : Vision Res.
Source Genre: Journal
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Publ. Info: Amsterdam : Pergamon
Pages: - Volume / Issue: 49 (12) Sequence Number: - Start / End Page: 1592 - 1598 Identifier: ISSN: 0042-6989
CoNE: https://pure.mpg.de/cone/journals/resource/954925451842