Repeated exposure to one song leads to a rapid and persistent decline in an immediate early gene's response to that song in zebra finch telencephalon

Claudio Mello, F. Nottebohm, D. F. Clayton

Research output: Contribution to journalArticle

222 Citations (Scopus)

Abstract

Conspecific song induces a prompt increase in the expression of the zenk gene in the caudo-medial neostriatum (NCM), a part of the auditory telencephalon of songbirds. To test the hypothesis that zenk gene induction in NCM is related to the acquisition of new song-related memories, we presented adult male zebra finches with repeated playbacks of one song. In response, zenk mRNA levels in NCM increased for the first 30 min, but then declined back to baseline levels despite continued stimulation with the same song. When a novel song was then introduced, however, a full zenk response was triggered once again. Even when a full day had passed between the last exposure to a song and the testing period, the song that had been rendered 'familiar' by repetition caused no zenk response, whereas a novel song caused a full response. Quantitative analysis indicates that individual cells in NCM must have undergone a selective loss in their zenk responsiveness to the repeated song, while still maintaining their ability to respond to the novel song. These results support the hypothesis that the induction of zenk is related to the formation of long-term memories. Analysis of the stimulus- specific modulation of zenk responses, coupled with appropriate behavioral assays, should provide insight into neural mechanisms responsible for the discrimination and storage of complex perceptual information.

Original languageEnglish (US)
Pages (from-to)6919-6925
Number of pages7
JournalJournal of Neuroscience
Volume15
Issue number10
StatePublished - 1995
Externally publishedYes

Fingerprint

Finches
Telencephalon
Immediate-Early Genes
Equidae
Music
Neostriatum
Songbirds
Aptitude
Long-Term Memory

Keywords

  • auditory discrimination
  • consolidation
  • immediate early gene
  • NCM
  • neostriatum
  • song
  • songbird
  • vocal communication
  • zebra finch
  • zenk

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Repeated exposure to one song leads to a rapid and persistent decline in an immediate early gene's response to that song in zebra finch telencephalon. / Mello, Claudio; Nottebohm, F.; Clayton, D. F.

In: Journal of Neuroscience, Vol. 15, No. 10, 1995, p. 6919-6925.

Research output: Contribution to journalArticle

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