Analogous intermediate shape coding in vision and touch
Identifieur interne : 001286 ( Ncbi/Curation ); précédent : 001285; suivant : 001287Analogous intermediate shape coding in vision and touch
Auteurs : Jeffrey M. Yau [États-Unis] ; Anitha Pasupathy [États-Unis] ; Paul J. Fitzgerald [États-Unis] ; Steven S. Hsiao [États-Unis] ; Charles E. Connor [États-Unis]Source :
- Proceedings of the National Academy of Sciences of the United States of America [ 0027-8424 ] ; 2009.
Abstract
We recognize, understand, and interact with objects through both vision and touch. Conceivably, these two sensory systems encode object shape in similar ways, which could facilitate cross-modal communication. To test this idea, we studied single neurons in macaque monkey intermediate visual (area V4) and somatosensory (area SII) cortex, using matched shape stimuli. We found similar patterns of shape sensitivity characterized by tuning for curvature direction. These parallel tuning patterns imply analogous shape coding mechanisms in intermediate visual and somatosensory cortex.
Url:
DOI: 10.1073/pnas.0904186106
PubMed: 19805320
PubMed Central: 2738619
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Snyder Department of Neuroscience, Johns Hopkins University, 3400 North Charles Street, Baltimore</wicri:cityArea></affiliation></author></analytic><series><title level="j">Proceedings of the National Academy of Sciences of the United States of America</title><idno type="ISSN">0027-8424</idno><idno type="eISSN">1091-6490</idno><imprint><date when="2009">2009</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>We recognize, understand, and interact with objects through both vision and touch. Conceivably, these two sensory systems encode object shape in similar ways, which could facilitate cross-modal communication. To test this idea, we studied single neurons in macaque monkey intermediate visual (area V4) and somatosensory (area SII) cortex, using matched shape stimuli. We found similar patterns of shape sensitivity characterized by tuning for curvature direction. 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