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Updated: Apr 1, 2026

Investigating the Function of Deep Cortical and Subcortical Structures Using Stereotactic Electroencephalography: Lessons from the Anterior Cingulate Cortex
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Self-blame-Selective Hyperconnectivity Between Anterior Temporal and Subgenual Cortices and Prediction of Recurrent

Karen E Lythe1, Jorge Moll2, Jennifer A Gethin3

  • 1Neuroscience and Aphasia Research Unit, School of Psychological Sciences, The University of Manchester and Manchester Academic Health Sciences Centre, Manchester, England.

JAMA Psychiatry
|October 8, 2015
PubMed
Abstract

Insights

Functional MRI connectivity between the right superior anterior temporal lobe and subgenual cingulate cortex predicts recurrence risk in major depressive disorder (MDD). This neural signature may serve as a prognostic biomarker for MDD.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Imaging

Background:

  • Previous research identified abnormal functional magnetic resonance imaging (fMRI) connectivity in remitted major depressive disorder (MDD) patients.
  • This abnormality was observed between the right superior anterior temporal lobe (RSATL) and the subgenual cingulate cortex and adjacent septal region (SCSR) during self-blaming emotions.
  • This RSATL-SCSR connectivity was hypothesized to reflect cognitive vulnerability to MDD.

Purpose of the Study:

  • To investigate whether the RSATL-SCSR functional connectivity signature in remitted MDD predicts the risk of future depressive episodes.
  • To test the hypothesis that altered RSATL-SCSR connectivity during self-blaming emotions is associated with subsequent recurrence.

Main Methods:

  • A prospective cohort study involving 75 psychotropic medication-free patients with remitted MDD.
  • fMRI scans were conducted at baseline to assess RSATL-SCSR connectivity during self-blaming versus other-blaming emotional states.
  • Clinical follow-up over 14 months identified patients who remained in stable remission versus those who experienced recurrence.

Main Results:

  • The study confirmed the hypothesis: RSATL-SCSR connectivity predicted recurrence risk in remitted MDD patients.
  • Patients who later experienced recurrence showed significantly higher RSATL-SCSR connectivity compared to those in stable remission and controls.
  • Additional hyperconnectivity was observed in the recurring MDD group with the right ventral putamen, claustrum, and temporoparietal junction, collectively predicting recurrence with 75% accuracy.

Conclusions:

  • This study provides the first robust evidence of an fMRI signature predicting recurrence risk in remitted MDD.
  • The findings suggest that RSATL-SCSR connectivity could serve as a prognostic biomarker for MDD recurrence.
  • Further research is necessary for the optimization and validation of this fMRI signature as a clinical prognostic tool.

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