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Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong.

Publication ,  Journal Article
Roy, A; Mooney, R
Published in: The Journal of neuroscience : the official journal of the Society for Neuroscience
June 2007

Adult male zebra finches maintain highly stable songs via auditory feedback. Prolonged exposure to distorted feedback may cause this stable (i.e., "crystallized") song to change its pattern, a process known as decrystallization. In the songbird, the telencephalic nucleus LMAN (lateral magnocellular nucleus of anterior nidopallium) is necessary for feedback-dependent song decrystallization, although whether and how electrophysiological properties of LMAN neurons change during decrystallization is unknown. In normal adult zebra finches, LMAN neurons exhibit highly selective responses to auditory presentation of the bird's own song (BOS), possibly providing a permanent referent for song maintenance. If so, LMAN neurons should maintain selectivity for the originally crystallized BOS after exposure to distorted feedback and during decrystallization. Alternatively, LMAN auditory selectivity in the adult may change during decrystallization. To distinguish between these possibilities, we sectioned the vocal nerve in adult male zebra finches, which spectrally distorted the birds' songs. Over the course of several weeks, experience of distorted feedback caused the song to decrystallize in a subset of birds. At various times after nerve section, electrophysiological recordings made under anesthesia revealed that auditory selectivity in LMAN could shift to the spectrally distorted song. Such auditory plasticity could be detected during the second week after nerve section, before the time birds typically decrystallized their songs. Moreover, all birds that underwent decrystallization at later times always manifested auditory plasticity in LMAN. To our knowledge, the present findings afford the first example of an electrophysiological correlate of song decrystallization.

Duke Scholars

Published In

The Journal of neuroscience : the official journal of the Society for Neuroscience

DOI

EISSN

1529-2401

ISSN

0270-6474

Publication Date

June 2007

Volume

27

Issue

24

Start / End Page

6374 / 6387

Related Subject Headings

  • Time Factors
  • Spectrum Analysis
  • Prosencephalon
  • Peripheral Nervous System
  • Neuronal Plasticity
  • Neurology & Neurosurgery
  • Membrane Potentials
  • Male
  • Learning
  • Finches
 

Citation

APA
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ICMJE
MLA
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Roy, A., & Mooney, R. (2007). Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong. The Journal of Neuroscience : The Official Journal of the Society for Neuroscience, 27(24), 6374–6387. https://doi.org/10.1523/jneurosci.0894-07.2007
Roy, Arani, and Richard Mooney. “Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong.The Journal of Neuroscience : The Official Journal of the Society for Neuroscience 27, no. 24 (June 2007): 6374–87. https://doi.org/10.1523/jneurosci.0894-07.2007.
Roy A, Mooney R. Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2007 Jun;27(24):6374–87.
Roy, Arani, and Richard Mooney. “Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong.The Journal of Neuroscience : The Official Journal of the Society for Neuroscience, vol. 27, no. 24, June 2007, pp. 6374–87. Epmc, doi:10.1523/jneurosci.0894-07.2007.
Roy A, Mooney R. Auditory plasticity in a basal ganglia-forebrain pathway during decrystallization of adult birdsong. The Journal of neuroscience : the official journal of the Society for Neuroscience. 2007 Jun;27(24):6374–6387.

Published In

The Journal of neuroscience : the official journal of the Society for Neuroscience

DOI

EISSN

1529-2401

ISSN

0270-6474

Publication Date

June 2007

Volume

27

Issue

24

Start / End Page

6374 / 6387

Related Subject Headings

  • Time Factors
  • Spectrum Analysis
  • Prosencephalon
  • Peripheral Nervous System
  • Neuronal Plasticity
  • Neurology & Neurosurgery
  • Membrane Potentials
  • Male
  • Learning
  • Finches