1Institute of Biomedical Engineering, National Taiwan University, Taipei, Taiwan, 2Institute of Applied Physics, National Chengchi University, Taipei, Taiwan, 3Institute of Neuroscience, National Yang Ming University, Taipei, Taiwan
By using a dedicated 24-channel
coil array and tailored sequence, we achieved human temporal lobe functional
imaging with 1.5 mm isotropic resolution. Our coil array had two-fold SNR and
tSNR improvement in the temporal lobe compared to a 32-channel whole-head coil
array. Functional MRI showed more robust BOLD signals elicited by music stimuli
in the primary auditory cortex. Tonotopic mapping revealed the clearest
frequency progressions in the middle layer of auditory cortex gray matter,
which was consistent with the result acquired by electrophysiological
recordings on rodents.
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