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. 2016 Feb 1;10:27. doi: 10.3389/fnhum.2016.00027

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Copyright © 2016 Zhan, Gao, Zhou, Bai, Kuang, He, Zeng and Gong.

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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Two-sample t-test for the (A) typical band (0.01–0.08 Hz) voxel-level p < 0.01 and cluster-level p < 0.05, GRF corrected. Cool color indicates that the mTBI group had decreased ALFF compared with the controls and the hot color indicates the opposite. Main effects of (B) group. Hot color represents higher ALFF in the mTBI group than in the control group, whereas cool color represents lower ALFF in the mTBI group. Main effects of (C) frequency band. Hot color represents higher ALFF in the slow-4 band than in the slow-5 band, while cool color represents the opposite. The results were obtained by a 2 × 2 ANOVA. (D) Interaction between frequency bands and groups. Two-sample t-test for the (E) slow-4 band (0.027–0.073 Hz) and (F) slow-5 band (0.01–0.027 Hz), voxel-level p < 0.01 and cluster-level p < 0.05, GRF corrected. Cool color indicates that the mTBI group had decreased ALFF compared with the controls and the hot color indicates the opposite.