Shunshan Li

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A stimulator that analogs the needle puncture has been designed to deliver quantitative mechanical stimulus to a small area of muscle. A friction coupler is designed to transmit the driving force from motor to a needle which is used to deliver stimulus. Rotation of the needle may be stopped but the friction will be maintained between the needle and the(More)
MRI system noise often appears in the fMRI timeseries in phantom and human subjects experiments. The predominant characteristic of this MRI system noise is high amplitude at one or a few specific temporal frequencies. These frequencies are immediately found by FFT analysis, but they have also been identified in ICA methods. This study indicates that these(More)
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