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. 2026 Oct 6;17:1907020. doi: 10.3389/fpsyt.2026.1907020

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Copyright © 2026 Chao, Yang, Peng, Shi and Shi.

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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Panel A displays a bar graph with channel importance weight on the y-axis and channel rank on the x-axis, showing a decreasing trend. Panel B shows channel importance weights that transition from positive to negative values as channel rank increases. — Channel Weight ranking across positive versus negative emotional conditions: (A) MDD group, (B) HC group.