Cited by 382Functional Brain Connectivity StudiesTreatment of Major DepressionNeural and Behavioral Psychology Studies

Insular dysfunction within the salience network is associated with severity of symptoms and aberrant inter-network connectivity in major depressive disorder

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Manoliu, Andrei, Meng, Chun, Brandl, Felix, Doll, Anselm, Tahmasian, Masoud, Scherr, Martin, Schwerthöffer, Dirk, Zimmer, Claus +5 more·2014·Frontiers in Human Neuroscience

Abstract

Major depressive disorder (MDD) is characterized by altered intrinsic functional connectivity within (intra-iFC) intrinsic connectivity networks (ICNs), such as the Default Mode- (DMN), Salience- (SN) and Central Executive Network (CEN). It has been proposed that aberrant switching between DMN-mediated self-referential and CEN-mediated goal-directed cognitive processes might contribute to MDD, possibly explaining patients' difficulties to disengage the processing of self-focused, often negatively biased thoughts. Recently, it has been shown that the right anterior insula (rAI) within the SN is modulating DMN/CEN interactions. Since structural and functional alterations within the AI have been frequently reported in MDD, we hypothesized that aberrant intra-iFC in the SN's rAI is associated with both aberrant iFC between DMN and CEN (inter-iFC) and severity of symptoms in MDD. Twenty-five patients with MDD and 25 healthy controls were assessed using resting-state fMRI (rs-fMRI) and psychometric examination. High-model-order independent component analysis (ICA) of rs-fMRI data was performed to identify ICNs including DMN, SN, and CEN. Intra-iFC within and inter-iFC between distinct subsystems of the DMN, SN, and CEN were calculated, compared between groups and correlated with the severity of symptoms. Patients with MDD showed (1) decreased intra-iFC within the SN's rAI, (2) decreased inter-iFC between the DMN and CEN, and (3) increased inter-iFC between the SN and DMN. Moreover, decreased intra-iFC in the SN's rAI was associated with severity of symptoms and aberrant DMN/CEN interactions, with the latter losing significance after correction for multiple comparisons. Our results provide evidence for a relationship between aberrant intra-iFC in the salience network's rAI, aberrant DMN/CEN interactions and severity of symptoms, suggesting a link between aberrant salience mapping, abnormal coordination of DMN/CEN based cognitive processes and psychopathology in MDD.

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  1. Beck A. T. Alford B. A. (2009). Depression: Causes and Treatments. 2nd Edn Philadelphia: University of Pennsylvania Press

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Authors
Manoliu, A., Meng, C., Brandl, F., Doll, A., Tahmasian, M., Scherr, M., Schwerthöffer, D., Zimmer, C., Förstl, H., Bäuml, J., Riedl, V., Wohlschläger, A. M., & Sorg, C.
Affiliations
  • TUM Klinikum (DE)
  • Paracelsus Medical University (AT)
Corresponding author
Manoliu, Andrei
Venue
Frontiers in Human Neuroscience
Published
2014
Volume
7
Pages
930-930
ISSN
1662-5161 (ISSN-L)
OpenAlex
W2168088150
Cited by
382
References
70
Citations by year
2026: 14 · 2025: 26 · 2024: 27 · 2023: 31 · 2022: 41 · 2021: 59 · 2020: 33 · 2019: 29 · 2018: 34 · 2017: 25 · 2016: 29 · 2015: 21 · 2014: 11 · 2013: 2
FWCI
15.99
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Frontiers in Human Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Open access LMU (Ludwid Maxmilian's Universitat Munchen) (submittedVersion)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Funders
Bundesministerium für Bildung und Forschung (BMBF01ER0803, 01ER0803, 01EV0710, BMBF 01EV0710)
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
major depressive disorder, salience network, right anterior insula, default mode network, frontoparietal network, intrinsic functional connectivity, symptom severity, resting-state functional connectivity

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