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Fig. 2 | BMC Medicine

Fig. 2

From: Epigenetic tuning of brain signal entropy in emergent human social behavior

Fig. 2

An illustration of the temporal dependency of multiscale entropy. a We created a surrogate time series (red) by randomly shuffling segments of the original time series (black) consisting of actual EEG data from one trial. The standard deviations of the original and surrogate time series are equivalent, 22.63. b We find higher entropy for the surrogate time series (red) than the original time series (black) across time scales because the scrambling procedure introduced greater temporal irregularity into the surrogate time series

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