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. 2014 Jul 8;8:503. doi: 10.3389/fnhum.2014.00503

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Copyright © 2014 Yuan, Wang, Zang and Liu.

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) or licensor 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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Paired t-test results of the AF between EO and EC. The upper rows (A and B) show the results for the low-frequency band (0.01–0.1 Hz), and the bottom rows (C and D) show the results for the high-frequency band (0.1–1.25 Hz) (p < 0.05, corrected). (A) and (C) show the EO-EC AF differences without nuisance covariates regression (No regression), and (B) and (D) show the EO-EC AF differences with nuisance covariates regression (Regression). Warm colors indicate higher AF in EO than EC, and cold colors indicate the opposite. The left side of the figure corresponds to the right side of the brain.