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Neuroendocrine control of song in the dark-eyed junco (Junco hyemalis)

Dates

Year
2000

Citation

Dloniak, Stephanie Marie, 2000, Neuroendocrine control of song in the dark-eyed junco (Junco hyemalis): University of Alaska Fairbanks.

Summary

This dissertation includes three discrete projects addressing various aspects of the neuroendocrine control of song in the Dark-eyed Junco (Junco hyemalis), a migratory songbird. Specifically, the roles of testosterone, photoperiodic condition [length of daylight], opioids, and age were investigated with respect to song production and neural plasticity in the regions of the brain that control song (vocal control regions, VCRs). I found that, in males photoperiodic condition and testosterone interact to regulate seasonal VCR volume plasticity, whereas testosterone alone controls song production. The opioid system is probably not involved in VCR plasticity or song production, but is indicated to play a role in song learning or auditory [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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Reference Item
6127 records
Reference File
NWBLCC-20160503-Saved.xml

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