Cited by 26Functional Brain Connectivity StudiesTreatment of Major DepressionNeural and Behavioral Psychology Studies

Subgenual Cingulate–Amygdala Functional Disconnection and Vulnerability to Melancholic Depression

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Workman, Clifford I, Lythe, Karen E, McKie, Shane, Moll, Jorge, Gethin, Jennifer A, Deakin, John FW, Elliott, Rebecca, Zahn, Roland·2016·Neuropsychopharmacology

Published version of a preprint

Abstract

The syndromic heterogeneity of major depressive disorder (MDD) hinders understanding of the etiology of predisposing vulnerability traits and underscores the importance of identifying neurobiologically valid phenotypes. Distinctive fMRI biomarkers of vulnerability to MDD subtypes are currently lacking. This study investigated whether remitted melancholic MDD patients, who are at an elevated lifetime risk for depressive episodes, demonstrate distinctive patterns of resting-state connectivity with the subgenual cingulate cortex (SCC), known to be of core pathophysiological importance for severe and familial forms of MDD. We hypothesized that patterns of disrupted SCC connectivity would be a distinguishing feature of melancholia. A total of 63 medication-free remitted MDD (rMDD) patients (33 melancholic and 30 nonmelancholic) and 39 never-depressed healthy controls (HC) underwent resting-state fMRI scanning. SCC connectivity was investigated with closely connected bilateral a priori regions of interest (ROIs) relevant to MDD (anterior temporal, ventromedial prefrontal, dorsomedial prefrontal cortices, amygdala, hippocampus, septal region, and hypothalamus). Decreased (less positive) SCC connectivity with the right parahippocampal gyrus and left amygdala distinguished melancholic rMDD patients from the nonmelancholic rMDD and HC groups (cluster-based familywise error-corrected p⩽0.007 over individual a priori ROIs corresponding to approximate Bonferroni-corrected p⩽0.05 across all seven a priori ROIs). No areas demonstrating increased (more positive) connectivity were observed. Abnormally decreased connectivity of the SCC with the amygdala and parahippocampal gyrus distinguished melancholic from nonmelancholic rMDD. These results provide the first resting-state neural signature distinctive of melancholic rMDD and may reflect a subtype-specific primary vulnerability factor given a lack of association with the number of previous episodes.

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  1. First MB Spitzer RL Gibbon M Williams JBW Structured Clinical Interview for DSM-IV-TR Axis I Disorders, Research Version, Patient Edition. (SCID-I/P) 2002 Biometrics Research, New York State Psychiatric Institute New York, NY

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Authors
Workman, C. I., Lythe, K. E., McKie, S., Moll, J., Gethin, J. A., Deakin, J. F., Elliott, R., & Zahn, R.
Affiliations
  • Manchester Academic Health Science Centre (GB)
  • D’Or Institute for Research and Education (BR)
  • King's College London (GB)
Corresponding author
Zahn, Roland
Venue
Neuropsychopharmacology
Published
2016-01-19
Volume
41
Issue
8
Pages
2082-2090
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W2257928093
Cited by
26
References
49
Citations by year
2026: 1 · 2024: 1 · 2023: 5 · 2022: 3 · 2021: 6 · 2020: 7 · 2017: 1 · 2016: 2
FWCI
0.64
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Research Portal (King's College London) (publishedVersion, other-oa)
  • Research Explorer (The University of Manchester) (publishedVersion)
  • PsyArXiv (OSF Preprints) (submittedVersion, cc-by)
  • PsyArXiv (OSF Preprints) (submittedVersion)
Funders
  • Medical Research Council (G0902304)
  • Engineering and Physical Sciences Research Council
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
endogenous depression, major depressive disorder, subgenual anterior cingulate cortex, amygdala, resting-state functional connectivity, parahippocampal gyrus, depression vulnerability, remitted depression, depression subtypes, neural markers
MeSH terms
Adult, Amygdala, Brain, Brain Mapping, Depressive Disorder, Major, Major Depressive Disorder, Depressive Disorder, Female, Gyrus Cinguli, Humans, Magnetic Resonance Imaging, Male, Neural Pathways

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