altered auditory bold response to conspecific birdsong in zebra finches with stuttered syllables改变听觉大胆应对同种的鸟鸣与口吃音节斑马雀.pdfVIP
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altered auditory bold response to conspecific birdsong in zebra finches with stuttered syllables改变听觉大胆应对同种的鸟鸣与口吃音节斑马雀
Altered Auditory BOLD Response to Conspecific Birdsong
in Zebra Finches with Stuttered Syllables
1 2 2,3
Henning U. Voss , Delanthi Salgado-Commissariat , Santosh A. Helekar *
1 Department of Radiology and Citigroup Biomedical Imaging Center, Weill Cornell Medical College, New York, New York, United States of America, 2 Speech and
Language Center, Department of Neurology, The Methodist Hospital Research Institute, Houston, Texas, United States of America, 3 Department of Neuroscience, Baylor
College of Medicine, Houston, Texas, United States of America
Abstract
How well a songbird learns a song appears to depend on the formation of a robust auditory template of its tutor’s song.
Using functional magnetic resonance neuroimaging we examine auditory responses in two groups of zebra finches that
differ in the type of song they sing after being tutored by birds producing stuttering-like syllable repetitions in their songs.
We find that birds that learn to produce the stuttered syntax show attenuated blood oxygenation level-dependent (BOLD)
responses to tutor’s song, and more pronounced responses to conspecific song primarily in the auditory area field L of the
avian forebrain, when compared to birds that produce normal song. These findings are consistent with the presence of a
sensory song template critical for song learning in auditory areas of the zebra finch forebrain. In addition, they suggest a
relationship between an altered response related to familiarity and/or saliency of song stimuli and the production of variant
songs with stuttered syllables.
Citation: Voss HU, Salgado-Commissariat D, Helekar SA (2010) Altered Auditory BOLD Response to Conspecific Birdsong in Zebra Finches with Stuttered
Syll
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