Differentiating epileptic from non-epileptic high frequency intracerebral EEG signals with measures of wavelet entropy

High frequency oscillations (HFOs) above 80 Hz are considered a biomarker for epilepsy (Bragin et al. 2010; Zijlmans et al. 2012; Staba et al. 2014). They can be defined as four or more oscillations that clearly stand out from the background EEG. HFOs are divided in ripples (80-250 Hz) and fast ripples (250-500 Hz) (Zijlmans et al. 2012; Staba et al. 2014). Although several studies show that ripples are biomarker for epilepsy, physiological ripples also exist and their distinction from 'epileptic' ripples is not simple (Bragin et al.

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