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Commissural projections of the cortical hand motor area in monkeys
Abstract
The topographical organization of the contralateral cortical projections of the motor hand area was studied with autoradiographic methods in 11 macaque monkeys. Two general observations were noted in the material studied. (1) The commissural cortico‐cortical connections of the motor hand area were directed to the contralateral precentral gyrus. The projections were preferentially directed to both homotopic and non‐homotopic areas. (2) Focally labeled areas of motor cortex (diameter 900 μm) gave rise to individual terminal columns of label (diameter 600–900 μm). Larger areas of labeled motor cortex, (3,000 μm in diameter) gave rise to contralateral terminal bands of label. These bands (600–1,000 μm in width) were oriented in an antero‐posterior direction and appeared to be formed by a sequence of adjacent labeled columns.
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Cited by
Reis, J., Swayne, O. B., Vandermeeren, Y., Camus, M., Dimyan, M. A., Harris‐Love, M., Perez, M. A., Ragert, P., Rothwell, J. C., & Cohen, L. G. (2008) · The Journal of Physiology · doi:10.1113/jphysiol.2007.144824 · Cited by 583
Gould, H. J., Cusick, C. G., Pons, T. P., & Kaas, J. H. (1986) · Journal of Comparative Neurology · doi:10.1002/cne.902470303 · Cited by 520
General Organization of Callosal Connections in the Cerebral Cortex
Innocenti, G. M. (1986) · Cerebral Cortex · doi:10.1007/978-1-4613-2149-1_9 · Cited by 385
Neural pathways mediating bilateral interactions between the upper limbs
Carson, R. G. (2005) · Brain Research Reviews · doi:10.1016/j.brainresrev.2005.03.005 · Cited by 384
Primary motor cortex is involved in bimanual coordination
Donchin, O., Gribova, A., Steinberg, O., Bergman, H., & Vaadia, E. (1998) · Nature · doi:10.1038/26220 · Cited by 303
Metadata
- Authors
- Jenny, A. B.
- Venue
- Journal of Comparative Neurology
- Publisher
- Wiley
- Published
- 1979-11
- Volume
- 188
- Issue
- 1
- Pages
- 137-145
- ISSN
- 0021-9967 (ISSN-L)
- 1096-9861
- OpenAlex
- W2005450267
- Cited by
- 179
- References
- 0
- FWCI
- 2.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- Jenny, A. B. (1979). Commissural projections of the cortical hand motor area in monkeys. Journal of Comparative Neurology. https://doi.org/10.1002/cne.901880111
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