Abstract：
:Auditory feedback is important for the control of voice fundamental frequency (F0). In the present study we used neuroimaging to identify regions of the brain responsible for sensory control of the voice. We used a pitch-shift paradigm where subjects respond to an alteration, or shift, of voice pitch auditory feedback with a reflexive change in F0. To determine the neural substrates involved in these audio-vocal responses, subjects underwent fMRI scanning while vocalizing with or without pitch-shifted feedback. The comparison of shifted and unshifted vocalization revealed activation bilaterally in the superior temporal gyrus (STG) in response to the pitch shifted feedback. We hypothesize that the STG activity is related to error detection by auditory error cells located in the superior temporal cortex and efference copy mechanisms whereby this region is responsible for the coding of a mismatch between actual and predicted voice F0.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Parkinson AL,Flagmeier SG,Manes JL,Larson CR,Rogers B,Robin DAdoi
10.1016/j.neuroimage.2012.02.068subject
Has Abstractpub_date
2012-05-15 00:00:00pages
314-22issue
1eissn
1053-8119issn
1095-9572pii
S1053-8119(12)00253-4journal_volume
61pub_type
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