Cross-spectral analysis of physiological tremor and muscle activity

Abstract

We investigate the relationship between the extensor electromyogram (EMG) and tremor time series in physiological hand tremor by cross-spectral analysis. Special attention is directed to the phase spectrum and the effects of observational noise. We calculate the theoretical phase spectrum for a second-order linear stochastic process and compare the results… (More)
DOI: 10.1007/s004220050439

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