Journal
FRONTIERS IN NEUROENDOCRINOLOGY
Volume 64, Issue -, Pages -Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2021.100967
Keywords
Aromatase; Song system; Steroidogenesis; Neurosteroidogenesis; Androgen; Estrogen; Hippocampus; Auditory; Learning; Memory
Categories
Funding
- NIH [NS082179, NS 042767]
- NSF [IOS 2050260]
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Songbirds have been key research subjects in understanding estrogen synthesis and function in the brain. Studies in songbirds have provided insights into the evolution of neural estrogen signaling, potentially contributing to their success as one of the most resilient vertebrate groups on the planet.
Songbirds have emerged as exceptional research subjects for helping us appreciate and understand estrogen synthesis and function in brain. In the context of recognizing the vertebrate-wide importance of brain aromatase expression, in this review we highlight where we believe studies of songbirds have provided clarification and conceptual insight. We follow by focusing on more recent studies of aromatase and neuroestrogen function in the hippocampus and the pallial auditory processing region NCM of songbirds. With perspectives drawn from this body of work, we speculate that the evolution of enhanced neural estrogen signaling, including in the mediation of social behaviors, may have given songbirds the resilience to radiate into one of the most successful vertebrate groups on the planet.
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