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Consistent functional abnormalities in patients with postpartum depression.

Jinping Xu1, Haibo Yu2, Hanqing Lv3

  • 1Institute of Biomedical and Health Engineering, Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.

Behavioural Brain Research
|May 5, 2023
PubMed
Summary
This summary is machine-generated.

Postpartum depression (PPD) shows distinct brain activity patterns, with increased function in the left occipital gyrus and decreased function in the right anterior cingulate cortex. This right anterior cingulate cortex activity may serve as a biomarker for PPD.

Keywords:
Degree centralityFMRILow-frequency fluctuationPostpartum depressionRegional homogeneity

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Area of Science:

  • Neuroimaging
  • Psychiatry
  • Brain Function

Background:

  • Postpartum depression (PPD) is a significant public health issue.
  • Existing fMRI studies show varied functional brain abnormalities in PPD.
  • A consistent pattern of functional changes in PPD remains elusive.

Purpose of the Study:

  • To identify consistent functional brain changes in PPD using fMRI.
  • To explore the relationship between altered brain function and PPD symptoms.
  • To evaluate the potential of identified functional changes as biomarkers for PPD diagnosis.

Main Methods:

  • Acquired fMRI data from 52 PPD patients and 24 healthy postpartum women (HPW).
  • Calculated functional indexes: low-frequency fluctuation, degree centrality, and regional homogeneity.
  • Utilized correlation analysis and support vector machine (SVM) for data interpretation and classification.

Main Results:

  • Identified increased functional activity in the left inferior occipital gyrus in PPD patients compared to HPW.
  • Observed decreased functional activity in the right anterior cingulate cortex in PPD patients.
  • Found significant correlation between right anterior cingulate cortex activity and depression severity in PPD.
  • SVM demonstrated that these functional changes can distinguish PPD from HPW.

Conclusions:

  • The right anterior cingulate cortex exhibits altered functional activity in PPD.
  • This region may serve as a functional neuroimaging biomarker for PPD.
  • Targeting the right anterior cingulate cortex could be a potential strategy for neuro-modulation therapies in PPD.