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. 2024 Mar 28;45(5):e26657. doi: 10.1002/hbm.26657

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© 2024 The Authors. Human Brain Mapping published by Wiley Periodicals LLC.

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc-nd/4.0/ License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non‐commercial and no modifications or adaptations are made.

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Differences in brain sample entropy (SampEn) between postpartum depression (PPD), PPD with anxiety (PPD‐A) and healthy postnatal women (HPW). Analysis of variance (ANOVA) of SampEn maps (with age as covariate) showed significant differences in left medial prefrontal cortex (MPFC_L) and left posterior cingulate cortex (PCC_L) in HPW, PPD and PPD‐A. Post‐hoc two‐sample t‐tests of SampEn in MPFC_L and PCC_L between any pair of HPW, PPD, and PPD‐A were further performed to identify between group differences.