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  Top-down influences on stereoscopic depth-perception

Bülthoff, I., Bülthoff, H., & Sinha, P. (1998). Top-down influences on stereoscopic depth-perception. Nature Neuroscience, 1(3), 254-257. doi:10.1038/699.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-E84D-A Version Permalink: http://hdl.handle.net/21.11116/0000-0005-C79B-C
Genre: Journal Article

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https://www.nature.com/articles/nn0798_254.pdf (Publisher version)
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 Creators:
Bülthoff, I1, 2, Author              
Bülthoff, HH1, 2, Author              
Sinha, P, 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, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: The interaction between depth perception and object recognition has important implications for the nature of mental object representations and models of hierarchical organization of visual processing. It is often believed that the computation of depth influences subsequent high-level object recognition processes, and that depth processing is an early vision task that is largely immune to 'top-down' object-specific influences, such as object recognition. Here we present experimental evidence that challenges both these assumptions in the specific context of stereoscopic depth-perception. We have found that observers' recognition of familiar dynamic three- dimensional (3D) objects is unaffected even when the objects' depth structure is scrambled, as long as their two-dimensional (2D) projections are unchanged. Furthermore, the observers seem perceptually unaware of the depth anomalies introduced by scrambling. We attribute the latter result to a top-down recognition-based influence whereby expectations about a familiar object's 3D structure override the true stereoscopic information.

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 Dates: 1998-07
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1038/699
BibTex Citekey: 148
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Title: Nature Neuroscience
  Other : Nat. Neurosci.
Source Genre: Journal
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Publ. Info: New York, NY : Nature America Inc.
Pages: - Volume / Issue: 1 (3) Sequence Number: - Start / End Page: 254 - 257 Identifier: ISSN: 1097-6256
CoNE: https://pure.mpg.de/cone/journals/resource/954925610931