Abstract #3761

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

Pu-Yeh Wu¹, Hsin-Ju Lee^1,2, Hsiang-Yu Yu³, Cheng-Chia Lee⁴, Chien-Chen Chou³, Wen-Jui Kuo², and Fa-Hsuan Lin^1,5,6

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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