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UID:20250802T234725EDT-5321wP8JOO@132.216.98.100
DTSTAMP:20250803T034725Z
DESCRIPTION:As music can engage human listeners\, birdsong appears to engag
 e bird listeners: but how? In one study we tested how birds synchronize ca
 lls and songs to promote social engagement. In a second study we show that
  musical balance between regularity and novelty can be identified in the s
 igning performances of individual birds. In both studies\, similar princip
 les can explain the design of complex vocal communication across a broad r
 ange of animal species.\n\nFirst study: We examined how zebra finches lear
 n to synchronize their calls using vocal robot that exchanges calls with a
  partner bird. We found that birds quickly learn to synchronize their call
 s with those of the robot\, and avoid disruptive masking (jamming) by adju
 sting the timing of their responses. Further\, when challenged with comple
 x rhythms\, birds can dynamically adjust the timing of their calls in anti
 cipation of jamming. Blocking the song system cortical output dramatically
  reduced the precision of birds’ response timing and abolished their abili
 ty to avoid jamming. Findings suggest that descending forebrain projection
 s\, including the song-production pathway\, function as a general-purpose 
 communication system. In the case of calls\, it enables plasticity in voca
 l timing to facilitate social interactions\, whereas in the case of songs\
 , plasticity extends to developmental changes in vocal structure.\n\nSecon
 d study: Music maintains a characteristic balance between repetition and n
 ovelty. Do individual songbirds strike a balance between the complexity of
  their repertoire and the temporal regularity of their singing performance
 ? We found\, in free-living Australian pied butcherbirds\, that different 
 song types often share motifs. These shared motifs reappeared in strikingl
 y regular temporal intervals across different song types\, but only in bir
 ds of high repertoire complexity. Results suggest that individual birds re
 gulate the temporal diversity of shared motifs in a manner that takes thei
 r repertoire complexity into account.\n
DTSTART:20160212T203000Z
DTEND:20160212T213000Z
LOCATION:Room 501\, CA\, QC\, Montreal\, H3A 1A3\, Rosalind & Morris Goodma
 n Cancer Research Centre\, 1160\, avenue des Pins
SUMMARY:Song and rhythm learning in songbirds and humans
URL:/channels-contribute/channels/event/song-and-rhyth
 m-learning-songbirds-and-humans-258238
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