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Rapid reorganization of adult rat motor cortex somatic representation patterns after motor nerve injury.
Open accessAbstract
The potential for peripheral nerve injury to reorganize motor cortical representations was investigated in adult rats. Maps reflecting functional connections between the motor cortex and somatic musculature were generated with intracortical electrical stimulation techniques. Comparison of cortical somatotopic maps obtained in normal rats with maps generated from rats with a facial nerve lesion indicated that the forelimb and eye/eyelid representations expanded into the normal vibrissa area. Repeated testing from an electrode placed chronically in the motor cortex showed a shift from vibrissa to forelimb within hours after facial nerve transection. These comparatively quick changes in motor cortex representation pattern suggest that synaptic relations between motor cortex and somatic musculature are continually reshaped in adult mammals.
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Citations
Cited by
Role of adaptive plasticity in recovery of function after damage to motor cortex
Nudo, R. J., Plautz, E. J., & Frost, S. B. (2001) · Muscle & Nerve · doi:10.1002/mus.1104 · Cited by 561
Axonal dynamics of excitatory and inhibitory neurons in somatosensory cortex
Marik, S. A., Yamahachi, H., McManus, J. N. J., Szabo, G., & Gilbert, C. D. (2010) · PLoS Biology · doi:10.1371/journal.pbio.1000395 · Cited by 124
Lee, S.-B., Lee, H. S., & Waterhouse, B. D. (2008) · Brain Research · doi:10.1016/j.brainres.2008.04.003 · Cited by 27
Metadata
- Authors
- Sanes, J. N., Suner, S., Lando, J. F., & Donoghue, J. P.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1988-03
- Volume
- 85
- Issue
- 6
- Pages
- 2003-2007
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2081291986
- Cited by
- 288
- References
- 0
- FWCI
- 2.34
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Rapid reorganization of adult rat motor cortex somatic representation patterns after motor nerve injury. https://app.cochat.ai/papers/10.1073/pnas.85.6.2003
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- Sanes, J. N., Suner, S., Lando, J. F., & Donoghue, J. P. (1988). Rapid reorganization of adult rat motor cortex somatic representation patterns after motor nerve injury. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.85.6.2003
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
