Sensitive period for sensorimotor integration during vocal motor learning

Carolyn L. Pytte, Roderick A. Suthers

Research output: Contribution to journalArticle

40 Scopus citations


Sensory experience during sensitive periods in development may direct the organization of neural substrates, thereby permanently influencing subsequent adult behavior. We report a sensitive period during the imitative motor learning phase of sensorimotor integration in birdsong development. By temporarily and reversibly blocking efference to the vocal muscles, we disrupted vocal motor practice during selected stages of song development. Motor disruption during prolonged periods early in development, which allows recovery of vocal control prior to the onset of adult song, has no effect on adult song production. However, song disruption late in development, during the emergence of adult song, results in permanent motor defects in adult song production. These results reveal a decreased ability to compensate for interference with motor function when disturbances occur during the terminal stage of vocal motor development. Temporary disruption of syringeal motor control in adults does not produce permanent changes in song production. Permanent vocal aberrations in juveniles are evident exclusively in learned song elements rather than nonlearned calls, suggesting that the sensitive period is associated with motor learning.

Original languageEnglish (US)
Pages (from-to)172-189
Number of pages18
JournalJournal of Neurobiology
Issue number2
StatePublished - Jan 31 2000


  • Motor learning
  • Sensitive period
  • Sensorimotor integration
  • Song development
  • Zebra finch

ASJC Scopus subject areas

  • Neuroscience(all)

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