Journal
NEURON
Volume 46, Issue 2, Pages 173-179Publisher
CELL PRESS
DOI: 10.1016/j.neuron.2005.03.003
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Funding
- NIA NIH HHS [5P01 AG10435] Funding Source: Medline
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A reorganization of cortical representations is postulated as the basis for functional recovery following many types of nervous system injury. Neuronal mechanisms underlying this form of cortical plasticity are poorly understood. The present study investigated the hypothesis that the basal forebrain cholinergic system plays an essential role in enabling the cortical reorganization required for functional recovery following brain injury. The results demonstrate that functional recovery following cortical injury requires basal forebrain cholinergic mechanisms and suggest that the basis for this recovery is the cholinergic-dependent reorganization of motor representations. These findings raise the intriguing possibility that deficits in cholinergic function may limit functional outcomes following nervous system injury.
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