Cited by 121Advanced Neuroimaging Techniques and ApplicationsAnxiety, Depression, Psychometrics, Treatment, Cognitive ProcessesNeural and Behavioral Psychology Studies

Volumetric associations between uncinate fasciculus, amygdala, and trait anxiety

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Baur, Volker, Hänggi, Jürgen, Jäncke, Lutz·2012·BMC Neuroscience

Abstract

BACKGROUND: Recent investigations of white matter (WM) connectivity suggest an important role of the uncinate fasciculus (UF), connecting anterior temporal areas including the amygdala with prefrontal-/orbitofrontal cortices, for anxiety-related processes. Volume of the UF, however, has rarely been investigated, but may be an important measure of structural connectivity underlying limbic neuronal circuits associated with anxiety. Since UF volumetric measures are newly applied measures, it is necessary to cross-validate them using further neural and behavioral indicators of anxiety. RESULTS: In a group of 32 subjects not reporting any history of psychiatric disorders, we identified a negative correlation between left UF volume and trait anxiety, a finding that is in line with previous results. On the other hand, volume of the left amygdala, which is strongly connected with the UF, was positively correlated with trait anxiety. In addition, volumes of the left UF and left amygdala were inversely associated. CONCLUSIONS: The present study emphasizes the role of the left UF as candidate WM fiber bundle associated with anxiety-related processes and suggests that fiber bundle volume is a WM measure of particular interest. Moreover, these results substantiate the structural relatedness of UF and amygdala by a non-invasive imaging method. The UF-amygdala complex may be pivotal for the control of trait anxiety.

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Crossref · 10.1186/1471-2202-13-4

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  • Reduced grey matter volume in the mPFC and weaker integrity of the uncinate fasciculus have been reported in adults with anxious temperament and anxiety disorders.

    “Structural abnormalities, such as reduced grey matter volume in the mPFC and weaker integrity of the uncinate fasciculus, have been reported in adults with anxious temperament and anxiety disorders24–28.”
  • Weaker structural integrity of the uncinate fasciculus has been found in populations with anxious temperament, suggesting that this tract may play a crucial role in anxiety aetiology.

    “Notably, weaker structural integrity of the uncinate fasciculus has been found in populations with anxious temperament24–27,32, suggesting that this tract may play a crucial role in anxiety aetiology.”

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  1. Eysenck HJ Eysenck SBG Manual of the Eysenck Personality Inventory 1964 London: University of London Press

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Authors
Baur, V., Hänggi, J., & Jäncke, L.
Affiliations
University of Zurich (CH)
Corresponding author
Baur, Volker
Venue
BMC Neuroscience
Published
2012-01-04
Volume
13
Issue
1
Pages
4-4
ISSN
1471-2202 (ISSN-L)
OpenAlex
W2158476113
Cited by
121
References
43
Citations by year
2026: 2 · 2025: 6 · 2024: 6 · 2023: 7 · 2022: 7 · 2021: 8 · 2020: 11 · 2019: 10 · 2018: 11 · 2017: 11 · 2016: 10 · 2015: 11 · 2014: 9 · 2013: 9 · 2012: 3
FWCI
7.73
Type
journal article
Language
en
Open access
Locations
  • BMC Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
Universität Zürich
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
uncinate fasciculus, amygdala, trait anxiety, white matter volume, structural connectivity, limbic system, anterior temporal lobe
MeSH terms
Adult, Amygdala, Anxiety Disorders, Brain Mapping, Female, Hippocampus, Humans, Functional Laterality, Male, Nerve Fibers, Myelinated, Neural Pathways, Psychometrics, Young Adult

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