Daily singing of adult songbirds functions to maintain song performance independently of auditory feedback and ageopen access
- Authors
- Mizuguchi, Daisuke; Sanchez, Miguel; Kim, Yunbok; dos Santos, Ednei B.; Kang, Hijee; Mori, Chihiro; Wada, Kazuhiro; Kojima, Satoshi
- Issue Date
- May-2024
- Publisher
- NATURE PORTFOLIO
- Citation
- COMMUNICATIONS BIOLOGY, v.7, no.1, pp 598
- Journal Title
- COMMUNICATIONS BIOLOGY
- Volume
- 7
- Number
- 1
- Start Page
- 598
- URI
- http://scholarworks.bwise.kr/kbri/handle/2023.sw.kbri/1178
- DOI
- 10.1038/s42003-024-06311-5
- ISSN
- 2399-3642
- Abstract
- Many songbirds learn to produce songs through vocal practice in early life and continue to sing daily throughout their lifetime. While it is well-known that adult songbirds sing as part of their mating rituals, the functions of singing behavior outside of reproductive contexts remain unclear. Here, we investigated this issue in adult male zebra finches by suppressing their daily singing for two weeks and examining the effects on song performance. We found that singing suppression decreased the pitch, amplitude, and duration of songs, and that those song features substantially recovered through subsequent free singing. These reversible song changes were not dependent on auditory feedback or the age of the birds, contrasting with the adult song plasticity that has been reported previously. These results demonstrate that adult song structure is not stable without daily singing, and suggest that adult songbirds maintain song performance by preventing song changes through physical act of daily singing throughout their life. Such daily singing likely functions as vocal training to maintain the song production system in optimal conditions for song performance in reproductive contexts, similar to how human singers and athletes practice daily to maintain their performance.,This study demonstrates that adult zebra finches maintain song performance by preventing song changes through physical act of daily singing throughout their life.,
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Collections - 연구본부 > 감각·운동시스템 연구그룹 > 1. Journal Articles
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