Genesis and death of vocal control neurons during sexual differentiation in the zebra finch.

  title={Genesis and death of vocal control neurons during sexual differentiation in the zebra finch.},
  author={John R Kirn and Timothy J Devoogd},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  volume={9 9},
Several song-related regions in the adult zebra finch brain have substantially more neurons in males than in females. Such differences appear to arise from sex differences in circulating steroids during early posthatch life. In the present study, developmental mechanisms involved in the production of sex differences are explored by examinations of the normal time course of posthatch neurogenesis and cell death in vocal control circuits. As a first step toward determining whether rates of neuron… CONTINUE READING
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