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Updated: Aug 16, 2026

How to Build a Laser Speckle Contrast Imaging (LSCI) System to Monitor Blood Flow
Published on: November 11, 2010
Sound-induced artifact in cochlear blood flow measurements using the laser Doppler flowmeter
P R Thorne1, A L Nuttall, F Scheibe
1Kresge Hearing Research Institute, University of Michigan Medical Center, Ann Arbor 48109.
Abstract:
The laser Doppler flowmeter has been shown to give a response from the cochlea during high intensity acoustic stimulation which is not related to blood flow through the cochlea. The magnitude of this response depends upon the intensity and frequency of stimulation and the location of the probe on the cochlea. Evidence is presented that the response is derived from the vibration of cochlear tissue and/or the bony cochlear shell during acoustic stimulation.
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