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METHOD AND APPARATUS FOR HEMODYNAMICALLY CHARACTERIZING A NEUROLOGICAL OR FITNESS STATE BY DYNAMIC LIGHT SCATTERING (DLS)
METHOD AND APPARATUS FOR HEMODYNAMICALLY CHARACTERIZING A NEUROLOGICAL OR FITNESS STATE BY DYNAMIC LIGHT SCATTERING (DLS)
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机译:通过动态光散射(DLS)对神经或体态进行血流动力学表征的方法和装置
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摘要
A method and apparatus for hemodynamically characterizing a neurological or fitness state by dynamic scattering light (DLS) is disclosed herein. In particular, a non-pulsatile blood-shear-rate-descriptive (BSRD) signal(s) is optically generated and analyzed. In some embodiments, the BSRD signal is generated dynamically so as to adaptively maximize (i.e. according to a bandpass or frequency-selection profile) a prominence of a predetermined non-pulsatile physiological signal within the BSRD. In some embodiments, the BSRD is subjected to a stochastic or stationary-status analysis. Alternatively or additionally, the neurological or fitness state may be computed from multiple BSRDs, including two or more of: (i) a [sub-200 Hz, ˜300 Hz] BSRD signal; (ii) a [˜300 Hz, ˜1000 Hz] signal; (iii) a [˜1000 Hz, ˜4000 Hz] signal and (iv) a [˜4000 Hz, z Hz] (z=7,000) signal.
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