2005, Vol.8, No.4, pp.373-379
The discrete wavelet-based multiresolution analysis
and windowed Fourier transform were applied to investigation of
encephalic activity evoked by external microwave field. It is
shown, that intensive microwave fields stimulate the
high-amplitude slow-wave activity in brain which was definitely
identified by the means of wavelet entropy and distribution of the
oscillation energy. It was shown that the wavelet analysis is more
appropriate for electroencephalography records with fast changing
dynamics than Fourier transform or nonlinear dynamics methods.
Key words:
discrete wavelet, Fourier analysis, EEG, microwave
field, brain oscillation, entropy
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