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Journal articles

Neuronal Encoding of Multisensory Motion Features in the Rat Associative Parietal Cortex

Abstract : Motion perception is facilitated by the interplay of various sensory channels. In rodents, the cortical areas involved in multisensory motion coding remain to be identified. Using voltage-sensitive-dye imaging, we revealed a visuo-tactile convergent region that anatomically corresponds to the associative parietal cortex (APC). Single unit responses to moving visual gratings or whiskers def lections revealed a specific coding of motion characteristics strikingly found in both sensory modalities. The heteromodality of this region was further supported by a large proportion of bimodal neurons and by a classification procedure revealing that APC carries information about motion features, sensory origin and multisensory direction-congruency. Altogether, the results point to a central role of APC in multisensory integration for motion perception.
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Contributor : Christian Xerri Connect in order to contact the contributor
Submitted on : Wednesday, December 16, 2020 - 10:10:47 AM
Last modification on : Friday, June 3, 2022 - 5:46:04 PM
Long-term archiving on: : Wednesday, March 17, 2021 - 6:15:18 PM


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Jeanne Caron-Guyon, Julien Corbo, yoh’i Zennou-Azogui, Christian Xerri, Anne Kavounoudias, et al.. Neuronal Encoding of Multisensory Motion Features in the Rat Associative Parietal Cortex. Cerebral Cortex, Oxford University Press (OUP), 2020, 30 (10), pp.5372 - 5386. ⟨10.1093/cercor/bhaa118⟩. ⟨hal-03051442⟩



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