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Neural Auditory Selectivity Develops in Parallel with Song

Nick, Teresa A. and Konishi, Masakazu (2005) Neural Auditory Selectivity Develops in Parallel with Song. Journal of Neurobiology, 62 (4). pp. 469-481. ISSN 0022-3034. doi:10.1002/neu.20115.

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The zebra finch learns his song by memorizing a tutor's vocalization and then using auditory feedback to match his current vocalization to this memory, or “template”. The neural song system of adult and young birds responds to auditory stimuli, and exhibits selective tuning to the bird's own song (BOS). We have directly examined the development of neural tuning in the song motor system. We measured song system responses to vocalizations produced at various ages during sleep. We now report that the auditory response of the song motor system and motor output are linked early in song development. During sleep, playback of the current BOS induced a response in the song nucleus HVC during the song practice period, even when the song consisted of little more than repeated begging calls. Halfway through the sensorimotor period when the song was not yet in its final form, the response to BOS already exceeded that to all other auditory stimuli tested. Moreover, responses to previous, plastic versions of BOS decayed over time. This indicates that selective tuning to BOS mirrors the vocalization that the bird is currently producing.

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Additional Information:© 2004 Wiley Periodicals, Inc. Received 4 August 2004; accepted 27 September 2004. Published online 22 December 2004 in Wiley InterScience ( Contract grant sponsor: NIH; contract grant number: NH55984. Contract grant sponsor: University of Minnesota. We thank E. Akutagawa for histological assistance; M.J. Coleman and J.W. Karpen for reviewing preliminary drafts of the manuscript; O. Tchernichovski for assistance with the Sound Analysis program; and M. Bronner-Fraser, S.J. Shanbhag, M. Stopfer, L. Pérez, and J.L. Peña for helpful discussions.
Funding AgencyGrant Number
University of MinnesotaUNSPECIFIED
Subject Keywords:zebra finch; auditory; birdsong; HVC; sleep; chronic recording; electrophysiology; development; plasticity
Issue or Number:4
Record Number:CaltechAUTHORS:20151130-154707598
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Official Citation:Nick, T. A. and Konishi, M. (2005), Neural auditory selectivity develops in parallel with song. J. Neurobiol., 62: 469–481. doi: 10.1002/neu.20115
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:62471
Deposited By: Ruth Sustaita
Deposited On:01 Dec 2015 16:08
Last Modified:10 Nov 2021 23:02

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