Intracortical depth analyses of frequency-sensitive regions of human auditory cortex using 7T fMRI

@article{Ahveninen2016IntracorticalDA,
  title={Intracortical depth analyses of frequency-sensitive regions of human auditory cortex using 7T fMRI},
  author={Jyrki Ahveninen and Wei-Tang Chang and Samantha Huang and Boris Keil and Norbert Kopco and Stephanie Rossi and Giorgio Bonmassar and Thomas Witzel and Jonathan R. Polimeni},
  journal={NeuroImage},
  year={2016},
  volume={143},
  pages={116-127}
}
Despite recent advances in auditory neuroscience, the exact functional organization of human auditory cortex (AC) has been difficult to investigate. Here, using reversals of tonotopic gradients as the test case, we examined whether human ACs can be more precisely mapped by avoiding signals caused by large draining vessels near the pial surface, which bias blood-oxygen level dependent (BOLD) signals away from the actual sites of neuronal activity. Using ultra-high field (7T) fMRI and cortical… CONTINUE READING
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