Cited by 331Treatment of Major DepressionStress Responses and CortisolNeural and Behavioral Psychology Studies

Illness progression, recent stress, and morphometry of hippocampal subfields and medial prefrontal cortex in major depression

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Treadway, Michael T., Waskom, Michael L., Dillon, Daniel G., Holmes, Avram J., Park, Min Tae M., Chakravarty, M. Mallar, Dutra, Sunny J., Polli, Frida E. +4 more·2015·Biological Psychiatry

Abstract

Background Longitudinal studies of illness progression in patients with major depressive disorder (MDD) indicate that the onset of subsequent depressive episodes becomes increasingly decoupled from external stressors. A possible mechanism underlying this phenomenon is that multiple episodes induce long-lasting neurobiological changes that confer increased risk for recurrence. Prior morphometric studies have frequently reported volumetric reductions in patients with MDD--especially in medial prefrontal cortex (mPFC) and the hippocampus--but few studies have investigated whether these changes are exacerbated by prior episodes.Methods In a sample of 103 medication-free patients with depression and control subjects with no history of depression, structural magnetic resonance imaging was performed to examine relationships between number of prior episodes, current stress, hippocampal subfield volume and cortical thickness. Volumetric analyses of the hippocampus were performed using a recently validated subfield segmentation approach, and cortical thickness estimates were obtained using vertex-based methods. Participants were grouped on the basis of the number of prior depressive episodes and current depressive diagnosis.Results Number of prior episodes was associated with both lower reported stress levels and reduced volume in the dentate gyrus. Cortical thinning of the left mPFC was associated with a greater number of prior depressive episodes but not current depressive diagnosis.Conclusions Collectively, these findings are consistent with preclinical models suggesting that the dentate gyrus and mPFC are especially vulnerable to stress exposure and provide evidence for morphometric changes that are consistent with stress-sensitization models of recurrence in MDD.

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  1. [29]Pizzagalli DA Treadway MT Gotlib IH Hammen C Neuroimaging approaches to the study of major depressive disorder - From where to why Handbook of Depression 2014 Guilford Press New York, NY 4th edition
  2. [34]First M Spitzer R Gibbon M Williams J 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

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Authors
Treadway, M. T., Waskom, M. L., Dillon, D. G., Holmes, A. J., Park, M. T. M., Chakravarty, M. M., Dutra, S. J., Polli, F. E., Iosifescu, D. V., Fava, M., Gabrieli, J. D. E., & Pizzagalli, D. A.
Affiliations
  • Harvard University (US)
  • Stanford University (US)
  • Centre for Addiction and Mental Health (CA)
  • Yale University (US)
  • Massachusetts Institute of Technology (US)
  • Icahn School of Medicine at Mount Sinai (US)
Corresponding author
Pizzagalli, Diego A.
Venue
Biological Psychiatry
Publisher
Elsevier BV
Published
2015-02
Volume
77
Issue
3
Pages
285-294
ISSN
0006-3223 (ISSN-L)
OpenAlex
W2100143444
Cited by
331
References
78
Citations by year
2026: 11 · 2025: 16 · 2024: 15 · 2023: 22 · 2022: 42 · 2021: 48 · 2020: 41 · 2019: 38 · 2018: 20 · 2017: 30 · 2016: 25 · 2015: 20 · 2014: 2
FWCI
18.65
Type
journal article
Language
en
Open access
Locations
  • Biological Psychiatry (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • DSpace@MIT (Massachusetts Institute of Technology) (submittedVersion, cc-by-nc-nd)
  • PMC
Funders
  • National Institute of Mental Health (R01 MH068376)
  • National Center for Complementary and Alternative Medicine (K01 MH099232, K99 MH094438, R01 AT001638, R21 AT002974)
  • W. Garfield Weston Foundation
Topics
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
major depressive disorder, disease progression, depression recurrence, hippocampal subfields, dentate gyrus, medial prefrontal cortex, cortical thickness, cortical thinning, stress exposure, hippocampal subfield segmentation, brain structural changes
MeSH terms
Adult, Amygdala, Major Depressive Disorder, Female, Hippocampus, Humans, Magnetic Resonance Imaging, Male, Organ Size, Recurrence, Stress, Psychological, Prefrontal Cortex, Disease Progression

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