Cited by 439Anxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesFunctional Brain Connectivity StudiesNeural and Behavioral Psychology Studies

Neuroimaging in social anxiety disorder—A meta-analytic review resulting in a new neurofunctional model

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Brühl, Annette Beatrix, Delsignore, Aba, Komossa, Katja, Weidt, Steffi·2014·Neuroscience & Biobehavioral Reviews

Abstract

Social anxiety disorder (SAD) is one of the most frequent anxiety disorders. The landmark meta-analysis of functional neuroimaging studies by Etkin and Wager (2007) revealed primarily the typical fear circuit as overactive in SAD. Since then, new methodological developments such as functional connectivity and more standardized structural analyses of grey and white matter have been developed. We provide a comprehensive update and a meta-analysis of neuroimaging studies in SAD since 2007 and present a new model of the neurobiology of SAD. We confirmed the hyperactivation of the fear circuit (amygdala, insula, anterior cingulate and prefrontal cortex) in SAD. In addition, task-related functional studies revealed hyperactivation of medial parietal and occipital regions (posterior cingulate, precuneus, cuneus) in SAD and a reduced connectivity between parietal and limbic and executive network regions. Based on the result of this meta-analysis and review, we present an updated model of SAD adopting a network-based perspective. The disconnection of the medial parietal hub in SAD extends current frameworks for future research in anxiety disorders.

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Crossref · 10.1016/j.neubiorev.2014.08.003

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  • The fusiform gyrus is central to visual face perception and meta-analyses show it is hyper-reactive to negative emotional stimuli in SAD.

    “The fusiform gyrus plays a central role in visual face perception (McCarthy, Puce, Gore, & Allison, 1997), and has been shown in a meta-analyses to be hyper-reactive to negative emotional stimuli in social anxiety disorder (Brühl, Delsignore, et al., 2014; Etkin & Wager, 2007).”

    From Changes in functional connectivity with cognitive behavioral therapy for social anxiety disorder predict outcomes at follow-up (2020) · cites this paper as Brühl, Delsignore, et al., 2014

    The ALE meta-analysis (section 3.2, Table 3; page unavailable) finds greater fusiform gyrus activation in SAD than in healthy controls. Section 4.2 links this finding to feared negative facial expressions, but presents that explanation as a possibility; the meta-analysis does not establish that the increased response is specific to negative emotional stimuli. The face-perception clause is attributed to McCarthy et al., not to this source. (LLM, conf=0.85)

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  • Atypical recruitment of cortical regions, including dl/vl/mPFC and ACC, in SAD may be associated with emotion regulation deficits.

    “Moreover, aberrant recruitment of cortical regions in SAD, including dorsolateral, ventrolateral, and medial prefrontal cortex (dl/vl/mPFC) and anterior cingulate cortex (ACC), may be linked to deficits in emotion regulation (Brühl, Delsignore, et al., 2014; Picó-Pérez, Radua, Steward, Menchón, & Soriano-Mas, 2017; Zilverstand, Parvaz, & Goldstein, 2017).”
  • Neurobiological models propose that prefrontal cortex regions regulate emotional reactivity in the amygdala through top-down connectivity.

    “Neurobiological models suggest that regions of the prefrontal cortex (PFC) are central to regulation of emotional reactivity in the amygdala through top-down connectivity (Berkman & Lieberman, 2009; Brühl, Delsignore, Komossa, & Weidt, 2014).”
  • Prior findings disagree about which prefrontal subregions are involved and whether activation is increased or decreased relative to healthy controls.

    “However, findings have been inconsistent regarding the specific prefrontal sub-regions as well as direction of effects (both relatively increased (Brühl, Delsignore, et al., 2014; Goldin et al., 2009) or decreased activation (Zilverstand et al., 2017) compared to healthy individuals).”

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Authors
Brühl, A. B., Delsignore, A., Komossa, K., & Weidt, S.
Affiliations
  • University of Zurich (CH)
  • University Hospital Zurich (CH)
Corresponding author
Brühl, Annette Beatrix
Venue
Neuroscience & Biobehavioral Reviews
Publisher
Elsevier BV
Published
2014-11
Volume
47
Pages
260-280
ISSN
0149-7634 (ISSN-L)
OpenAlex
W1993400322
Cited by
439
References
62
Citations by year
2026: 16 · 2025: 34 · 2024: 107 · 2023: 30 · 2022: 29 · 2021: 29 · 2020: 31 · 2019: 32 · 2018: 36 · 2017: 30 · 2016: 42 · 2015: 19 · 2014: 3
FWCI
4.25
Type
journal article
Language
en
Open access
Locations
  • Neuroscience & Biobehavioral Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
Topics
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
social anxiety disorder, fear circuit, amygdala, insula, anterior cingulate cortex, prefrontal cortex, posterior cingulate cortex, precuneus, cuneus, functional connectivity, network models
MeSH terms
Brain, Brain Mapping, Humans, Models, Neurological, Phobic Disorders, Neuroimaging

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