Partial muting leads to age-dependent modification of motor patterns underlying crystallized zebra finch song

  • Cooper B
  • Goller F
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The crystallized structure of adult zebra finch (Taeniopygia guttata) song is modifiable if sensory feedback is altered during sound production. Such song plasticity has been studied by examining acoustic modifications to the motif; however, the underlying changes to the vocal motor patterns of these acoustic modifications have not been addressed. Adult birds in two age categories (young=90-120 days or middle aged 150-250 days) that sang crystallized song were used in the experiment. Vocal motor patterns were monitored by recording respiratory air sac pressure before, during, and after song plasticity was induced by partial or complete reduction of phonation (i.e., "partial muting"). Birds were recorded until changes in air sac pressure patterns underlying the song structure were observed (up to 160 days). Young adult birds were more likely to insert shorter duration (

Author-supplied keywords

  • Acoustic
  • Proprioceptive feedback
  • Sensorimotor integration
  • Song
  • Sound production

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  • Brenton G. Cooper

  • Franz Goller

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