Song replay during sleep and computational rules for sensorimotor vocal learning

A. S. Dave, D. Margoliash

Research output: Contribution to journalArticlepeer-review

323 Scopus citations

Abstract

Songbirds learn a correspondence between vocal-motor output and auditory feedback during development. For neurons in a motor cortex analog of adult zebra finches, we show that the timing and structure of activity elicited by the playback of song during sleep matches activity during daytime singing. The motor activity leads syllables, and the matching sensory response depends on a sequence of typically up to three of the preceding syllables. Thus, sensorimotor correspondence is reflected in temporally precise activity patterns of single neurons that use long sensory memories to predict syllable sequences. Additionally, 'spontaneous' activity of these neurons during sleep matches their sensorimotor activity, a form of song 'replay'. These data suggest a model whereby sensorimotor correspondences are stored during singing but do not modify behavior, and off-line comparison (e.g., during sleep) of rehearsed motor output and predicted sensory feedback is used to adaptively shape motor output.

Original languageEnglish (US)
Pages (from-to)812-816
Number of pages5
JournalScience
Volume290
Issue number5492
DOIs
StatePublished - Oct 27 2000

ASJC Scopus subject areas

  • General

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