Cited by 31Functional Brain Connectivity StudiesAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesMental Health Research Topics

Anomalous static and dynamic functional connectivity of amygdala subregions in individuals with high trait anxiety

Wang, Chanyu, Wang, You, Lau, Way K. W., Wei, Xinhua, Feng, Xiangang, Zhang, Chichen, Liu, Yingjun, Huang, Ruiwang +1 more·2021·Depression and Anxiety

Abstract

BACKGROUND: Trait anxiety is considered a susceptible factor for stress-related disorders, and is characterized by abnormal brain activity and connectivity in the regions related to emotional processing (e.g., the amygdala). However, only a few studies have examined the static and dynamic changes of functional connectivity in trait anxiety. METHOD: We compared the resting-state static and dynamic functional connectivity (sFC/dFC) in individuals with high trait anxiety (HTA, n = 257) and low trait anxiety (LTA, n = 264) using bilateral amygdala subregions as the seeds, that is, the centromedial amygdala (CMA), basolateral amygdala (BLA), and superficial amygdala (SFA). RESULTS: The CMA, BLA, and SFA all showed reduced sFC with the executive control network (ECN) and anomalous dFC with the default mode network (DMN) in individuals with HTA. The CMA only showed reduced sFC with the ECN and reduced dFC with the DMN in individuals with HTA. The BLA showed reduced sFC with the salience network (mainly in the anterior and median cingulate), and increased dFC between the BLA and the DMN in individuals with HTA compared to those with LTA. Notably, HTA showed widespread anomalous functional connectivity in the SFA, including the visual network, mainly in the calcarine fissure, limbic system (olfactory cortex), and basal ganglia (putamen). CONCLUSION: The anomalous sFC and dFC in individuals with HTA may reflect altered mechanisms in prefrontal control, salient stimuli processing, and amygdaloidal responsivity to potential threats, leading to alterations in associative, attentional, interpretative, and regulating processes that sustain a threat-related processing bias in HTA individuals.

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Crossref · 10.1002/da.23195

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Authors
Wang, C., Wang, Y., Lau, W. K. W., Wei, X., Feng, X., Zhang, C., Liu, Y., Huang, R., & Zhang, R.
Affiliations
  • Southern Medical University (CN)
  • Zhujiang Hospital (CN)
  • Education University of Hong Kong (HK)
  • Department of Radiology Guangzhou First Affiliated Hospital Guangzhou China
  • South China Normal University (CN)
Corresponding author
Zhang, Ruibin
Venue
Depression and Anxiety
Publisher
Wiley
Published
2021-07-12
Volume
38
Issue
8
Pages
860-873
ISSN
  • 1091-4269 (ISSN-L)
  • 1520-6394
OpenAlex
W3181719997
Cited by
31
References
70
Citations by year
2026: 2 · 2025: 6 · 2024: 10 · 2023: 7 · 2022: 5 · 2021: 1
FWCI
3.02
Type
journal article
Language
en
Open access
closed
Locations
  • Depression and Anxiety (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Mental Health Research Topics
Keywords
trait anxiety, amygdala subregions, centromedial amygdala, basolateral amygdala, superficial amygdala, dynamic functional connectivity, resting-state functional connectivity, default mode network, frontoparietal network, salience network, threat processing, stress-related disorders
MeSH terms
Amygdala, Anxiety, Anxiety Disorders, Brain Mapping, Humans, Magnetic Resonance Imaging, Neural Pathways

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