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Short-term expansion of receptive fields in rat primary somatosensory cortex after hindpaw digit denervation
journal contribution
posted on 2023-05-18, 00:38 authored by Byrne, JA, Calford, MBThe immediate effect of changing the driving cutaneous input to locations within primary somatosensory cortex (SI) was examined by denervating one or more digits of the rat hindpaw by amputation or local anesthesia. When all or part of a receptive field of a cluster of neurons was denervated, it was found that the cortical location recorded from gained responsiveness to cutaneous stimulation of hindpaw areas bordering the denervated region. In 22 of the 29 animals studied this expansion took place within 5 min of the denervation.
History
Publication title
Brain ResearchVolume
565Pagination
218-224ISSN
0006-8993Department/School
DVC - AcademicPublisher
Elsevier Science BvPlace of publication
Po Box 211, Amsterdam, Netherlands, 1000 AeRepository Status
- Restricted