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. 2020 Apr 2;11:218. doi: 10.3389/fneur.2020.00218

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Copyright © 2020 Monroe, Cecchi, Gerges, Phreaner, Hicks and Small.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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The probability distributions of connection weights (dWPLI, COH) from null distributions (gray) and observed distributions (white boxes). Observed distributions are comprised of FC greater than the top 5% of re-shuffled, surrogate data. Note the bimodal distribution of surrogate data from COH FC, which are most likely to exhibit near perfect coherence (>0.99; gray bar on the far right). Frequency bands: delta (δ = 1–4 Hz), theta (θ = 4.5–7 Hz), alpha (α = 7.5–15 Hz), beta (β = 15.5–30 Hz), and low gamma (γ = 30.5–50 Hz).