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. 2018 Jun 22;13(6):e0199587. doi: 10.1371/journal.pone.0199587

Fig 4. Probability density function (PDF) of Pearson correlation coefficient for surrogates and real data.

Fig 4

Correlation for real data is quantified between MAP and EEG sub-energy (0.3–3 Hz) feature (yellow); correlation between corresponding randomly permuted surrogates of MAP and sub-band energy (0.3–3 Hz) feature (black).