Investigation of nonlinear structure in multichannel EEG

S. A.R.B. Rombouts, R. W.M. Keunen, C. J. Stam

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139 Citations (Scopus)


We apply the Gaussian-scaled phase-randomized Fourier transform to generate surrogate data of a group of multichannel EEG time series in order to investigate nonlinearity in the EEG. Evidence for nonlinearity is found with a high confidence level, yet the EEG dynamics are not low-dimensional.

Original languageEnglish
Pages (from-to)352-358
Number of pages7
JournalPhysics Letters A
Issue number5-6
Publication statusPublished - 3 Jul 1995

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