The role of nonlinear dynamics of the syrinx in the vocalizations of a songbird

Michale S. Fee, Boris Shraiman, Bijan Pesaran, Partha P. Mitra

Research output: Contribution to journalArticle

Abstract

Birdsong is characterized by the modulation of sound properties over a wide range of timescales. Understanding the mechanisms by which the brain organizes this complex temporal behaviour is a central motivation in the study of the song control and learning system. Here we present evidence that, in addition to central neural control, a further level of temporal organization is provided by nonlinear oscillatory dynamics that are intrinsic to the avian vocal organ. A detailed temporal and spectral examination of song of the zebra finch (Taeniopygia guttata) reveals a class of rapid song modulations that are consistent with transitions in the dynamical state of the syrinx. Furthermore, in vitro experiments show that the syrinx can produce a sequence of oscillatory states that are both spectrally and temporally complex in response to the slow variation of respiratory or syringeal parameters. As a consequence, simple variations in a small number of neural signals can result in a complex acoustic sequence.

Original languageEnglish (US)
Pages (from-to)67-71
Number of pages5
JournalNature
Volume395
Issue number6697
DOIs
StatePublished - Sep 3 1998

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Songbirds
Nonlinear Dynamics
Syringes
Music
Finches
Equidae
Acoustics
Motivation
Learning
Brain

ASJC Scopus subject areas

  • General

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The role of nonlinear dynamics of the syrinx in the vocalizations of a songbird. / Fee, Michale S.; Shraiman, Boris; Pesaran, Bijan; Mitra, Partha P.

In: Nature, Vol. 395, No. 6697, 03.09.1998, p. 67-71.

Research output: Contribution to journalArticle

Fee, Michale S. ; Shraiman, Boris ; Pesaran, Bijan ; Mitra, Partha P. / The role of nonlinear dynamics of the syrinx in the vocalizations of a songbird. In: Nature. 1998 ; Vol. 395, No. 6697. pp. 67-71.
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