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  3D shape perception from combined depth cues in human visual cortex

Welchman, A., Deubelius, A., Conrad, V., Bülthoff, H., & Kourtzi, Z. (2005). 3D shape perception from combined depth cues in human visual cortex. Nature Neuroscience, 8(6), 820-827. doi:10.1038/nn1461.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-D585-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-DBFE-8
Genre: Journal Article

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https://www.nature.com/articles/nn1461.pdf (Publisher version)
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 Creators:
Welchman, AE1, 2, Author              
Deubelius, A2, 3, Author              
Conrad, V1, 2, 4, 5, Author              
Bülthoff, HH1, 2, Author              
Kourtzi, Z1, 2, 3, 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              
3Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
4Research Group Multisensory Perception and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497806              
5Research Group Cognitive Neuroimaging, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497804              

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 Abstract: Our perception of the world‘s three-dimensional (3D) structure is critical for object recognition, navigation and planning actions. To accomplish this, the brain combines different types of visual information about depth structure, but at present, the neural architecture mediating this combination remains largely unknown. Here, we report neuroimaging correlates of human 3D shape perception from the combination of two depth cues. We measured fMRI responses while observers judged the 3D structure of two sequentially presented images of slanted planes defined by binocular disparity and perspective. We compared the behavioral and fMRI responses evoked by changes in one or both of the depth cues. fMRI responses in extrastriate areas (hMT+/V5 and lateral occipital complex), rather than responses in early retinotopic areas, reflected differences in perceived 3D shape, suggesting ‘combined-cue‘ representations in higher visual areas. These findings provide insight into the neural circuits engaged when the human brain combines different information sources for unified 3D visual perception.

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 Dates: 2005-05
 Publication Status: Published in print
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 Identifiers: DOI: 10.1038/nn1461
BibTex Citekey: 3438
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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: 8 (6) Sequence Number: - Start / End Page: 820 - 827 Identifier: ISSN: 1097-6256
CoNE: https://pure.mpg.de/cone/journals/resource/954925610931