Avian vocal control regions of adult male songbirds contain opioid peptides and receptors, suggesting that opioids play a role in avian vocal behavior control. In a previous study, we found no difference in opioid receptor densities in singing versus nonsinging adult male dark-eyed juncos (Junco hye
Comparative studies of sex differences in the song-control system of songbirds
โ Scribed by Scott A. MacDougall-Shackleton; Gregory F. Ball
- Book ID
- 117344562
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 143 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0166-2236
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Adult songbirds can incorporate new neurons into HVc, a telencephalic song control nucleus. Neuronal incorporation into HVc is greater in the fall than in the spring in adult canaries (open-ended song learners) and is temporally related to seasonal song modification. We used the western song sparrow
Songbirds have a complex vocal repertoire, much of which is learned by imitation. The vocal motor system of songbirds includes a set of telencephalic pathways dedicated to the acquisition and production of learned song. The main vocal motor pathway goes from the high vocal center (HVC) to the robust