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  Oblique- and plaid-masking re-visited

Wiebel, C., & Wichmann, F. (2007). Oblique- and plaid-masking re-visited. In 49. Tagung Experimentell Arbeitender Psychologen (TeaP 2007) (pp. 153).

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-4B1C-A Version Permalink: http://hdl.handle.net/21.11116/0000-0004-4B1D-9
Genre: Meeting Abstract

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Wiebel, C, Author
Wichmann, FA1, 2, Author              
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1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Almost all current models of early spatial vision assume the existence of independent linear channels tuned to a limited range of spatial frequencies and orientations, i.e. that the early visual system acts akin to a sub-band coder. Some classic studies cast doubt on this notion, however, in particular the results reported by Henning, Hertz \& Broadband (1975) using amplitude-modulated gratings and those of Derrington \& Henning (1989) using 2-D plaid maskers. In our study we explore the unusually strong masking induced by spacetime coincident plaids in more detail: in particular, we determine the masking dependency on stimulus presentation time and contrast asymmetry between the plaid components. Such data will help to constrain non-linear extensions to the current channels model.

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 Dates: 2007-03
 Publication Status: Published online
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Title: 49. Tagung Experimentell Arbeitender Psychologen (TeaP 2007)
Place of Event: Trier, Germany
Start-/End Date: 2007-03-26 - 2007-03-28

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Title: 49. Tagung Experimentell Arbeitender Psychologen (TeaP 2007)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 153 Identifier: -