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Title: Similar cortical correlates underlie visual object identification and orientation judgment
Authors: Altmann, Christian F ×
Grodd, Wolfgang
Kourtzi, Zoe
Bülthoff, Heinrich H
Karnath, Hans-Otto #
Issue Date: 2005
Publisher: Elsevier Ltd.
Series Title: Neuropsychologia vol:43 issue:14 pages:2101-8
Abstract: Visual object perception has been suggested to follow two different routes in the human brain: a ventral, view-invariant occipital-temporal route processes object identity, whereas a dorsal, view-dependent occipital-parietal route processes spatial properties of an object. Using fMRI, we addressed the question whether these routes are exclusively involved in either object recognition or spatial representation. We presented subjects with images of natural objects and involved them either in object identification or object orientation judgment task. For both tasks, we observed activation in ventro-temporal as well as parietal areas bilaterally, with significantly stronger responses for the orientation judgment in both ventro-temporal as well as parietal areas. Our findings suggest that object identification and orientation judgment do not follow strictly separable cortical pathways, but rather involve both the dorsal and the ventral stream.
URI: 
ISSN: 0028-3932
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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