Morphology of axonal projections from the high vocal center to vocal motor cortex in songbirds.

@article{Yip2012MorphologyOA,
  title={Morphology of axonal projections from the high vocal center to vocal motor cortex in songbirds.},
  author={Zhiqi C Yip and Vanessa C. Miller-Sims and Sarah W Bottjer},
  journal={The Journal of comparative neurology},
  year={2012},
  volume={520 12},
  pages={2742-56}
}
Only birds that learn complex vocalizations have telencephalic brain regions that control vocal learning and production, including HVC (high vocal center), a cortical nucleus that encodes vocal motor output in adult songbirds. HVC projects to RA (robust nucleus of the arcopallium), a nucleus in motor cortex that in turn projects topographically onto hindbrain neurons innervating vocal muscles. Individual neurons projecting from HVC to RA (HVC(RA) ) fire sparsely to drive RA activity during song… CONTINUE READING

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