Plasticity of the adult avian song control system.

  title={Plasticity of the adult avian song control system.},
  author={Eliot A Brenowitz},
  journal={Annals of the New York Academy of Sciences},
There is extensive plasticity of the song behavior of birds and the neuroendocrine circuit that regulates this behavior in adulthood. One of the most pronounced examples of plasticity, found in every species of seasonally breeding bird examined, is the occurrence of large seasonal changes in the size of song control nuclei and in their cellular attributes. This seasonal plasticity of the song circuits is primarily regulated by changes in the secretion and metabolism of gonadal testosterone (T… CONTINUE READING
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