Abstract #0638

Correlation between inter-cortical depth fMRI signals and oscillatory neuronal responses during music listening

Hsin-Ju Lee^1,2, Pu-Yeh Wu¹, Hankyeol Lee³, Kamil Uludag^3,4, Hsiang-Yu Yu^5,6,7, Cheng-Chia Lee^6,7,8, Chien-Chen Chou^5,6, Chien Chen^5,6, Wen-Jui Kuo^7,9, and Fa-Hsuan Lin^1,2,10

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,, Joint Department of Medical Imaging and Krembil Brain Institute, University Health Network, Toronto, ON, Canada, ⁵Department of Epilepsy, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ⁶School of Medicine, National Yang-Ming University, Taipei, Taiwan, ⁷Brain Research Center, National Yang-Ming University, Taipei, Taiwan, ⁸Department of Neurosurgery, Neurological Institute, Taipei Veterans General Hospital, Taipei, Taiwan, ⁹Institute of Neuroscience, National Yang-Ming University, Taipei, Taiwan, ¹⁰Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland

We explored the correlation between cortical depth-dependent fMRI signal and oscillatory neural activity during music listening using high-resolution fMRI (7T with 0.8 mm and 3T with 1.5 mm isotropic resolution, respectively) and invasive electrode recording on epilepsy patients. The hemodynamic responses in the auditory cortex were found positively and negatively correlated with neural oscillations in the gamma and alpha/beta band at right and both hemispheres, respectively. These correlations were highest at the intermediate cortical depth. Core and non-core areas of the auditory cortex had different correlations.

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