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Abstract #3761

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

Pu-Yeh Wu1, Hsin-Ju Lee1,2, Hsiang-Yu Yu3, Cheng-Chia Lee4, Chien-Chen Chou3, Wen-Jui Kuo2, and Fa-Hsuan Lin1,5,6

1Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan, 2National Yang-Ming University, Taipei, Taiwan, 3Neurology Department, Taipei Veterans General Hospital, Taipei, Taiwan, 4Department of Neurosurgery, Taipei Veterans General Hospital, Taipei, Taiwan, 5Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada, 6Department of Neuroscience and Biomedical Engineering, Aalto University, Espoo, Finland

We explored the correlation between cortical depth-specific BOLD signal and oscillatory neuornal activity during music listening using high resolution fMRI data (3T with 1.5 mm isotropic resolution) and stereotactic electroencephalography. Three findings are: first, the hemodynamic responses in human auditory cortex was significantly correlated with neuronal oscillation in high gamma band (40 Hz to 90 Hz). Second, the intermediate cortical depth was more closely related to neuronal oscillation. Third, the neuronal-hemodynamic correlation was higher in core than in noncore region.

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