In fact, as a result of a strong amplitude covariation, the coherence of two signals may be significant even when the phase covariation is not. 29 In summary, in this work, we have designed an ad hoc method, tailored to our CHS protocol, in order to investigate the level of coherence and phase synchronization between ABP and cerebral total hemoglobin concentration.
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The meaning of "coherent" and its quantification in coherent hemodynamics spectroscopy.
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