Abstract #3671

Entrainment between musical stimuli and cortical depth-dependent fMRI signals

Hsin-Ju Lee^1,2, Hankyeol Lee³, Kamil Uludag⁴, and Fa-Hsuan Lin^1,2

¹Physical Sciences Platform, Sunnybrook Research institute, Toronto, ON, Canada, ²Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada, ³Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, Korea, Republic of, ⁴Techna Institute & Koerner Scientist in MR Imaging, University Health Network, Toronto, ON, Canada

Synopsis

Keywords: fMRI (task based), fMRI (task based)We use cortical-depth dependent fMRI to study the correlation between neural oscillations and fMRI signals across cortical depths in the auditory cortex during music listening. The correlation between fMRI signals and acoustic stimuli was the strongest at the primary auditory cortex in the intermediate cortical depths during the first listening, matching the hypothesis of feedforward signal supported by the connectivity. The correlation was suppressed in the repeated listening, superficial as well as deep depths, and at the secondary auditory cortex.

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