Cited by 120Functional Brain Connectivity StudiesPain Mechanisms and TreatmentsPain Management and Placebo Effect

The DOI matches its Crossref record; 60 of the 60 references it cites were found in a registry or an index.

Perturbed connectivity of the amygdala and its subregions with the central executive and default mode networks in chronic pain

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Abstract

Maladaptive responses to pain-related distress, such as pain catastrophizing, amplify the impairments associated with chronic pain. Many of these aspects of chronic pain are similar to affective distress in clinical anxiety disorders. In light of the role of the amygdala in pain and affective distress, disruption of amygdalar functional connectivity in anxiety states, and its implication in the response to noxious stimuli, we investigated amygdala functional connectivity in 17 patients with chronic low back pain and 17 healthy comparison subjects, with respect to normal targets of amygdala subregions (basolateral vs centromedial nuclei), and connectivity to large-scale cognitive–emotional networks, including the default mode network, central executive network, and salience network. We found that patients with chronic pain had exaggerated and abnormal amygdala connectivity with central executive network, which was most exaggerated in patients with the greatest pain catastrophizing. We also found that the normally basolateral-predominant amygdala connectivity to the default mode network was blunted in patients with chronic pain. Our results therefore highlight the importance of the amygdala and its network-level interaction with large-scale cognitive/affective cortical networks in chronic pain, and help link the neurobiological mechanisms of cognitive theories for pain with other clinical states of affective distress.

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Metadata

Authors
Jiang, Y., Oathes, D., Hush, J., Darnall, B., Charvat, M., Mackey, S., & Etkin, A.
Affiliations
  • VA Palo Alto Health Care System (US)
  • Macquarie University (AU)
  • Stanford Medicine (US)
Corresponding author
Etkin, Amit
Venue
Pain
Published
2016-05-06
Volume
157
Issue
9
Pages
1970-1978
ISSN
  • 0304-3959 (ISSN-L)
  • 1872-6623
OpenAlex
W2362907575
Cited by
120
References
60
Citations by year
2026: 13 · 2025: 13 · 2024: 8 · 2023: 8 · 2022: 19 · 2021: 23 · 2020: 10 · 2019: 12 · 2018: 9 · 2017: 4 · 2016: 1
FWCI
5.52
Type
journal article
Language
en
Open access
Locations
  • Pain (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute on Drug Abuse (K24DA029262)
  • National Center for Complementary and Integrative Health (P01AT006651, R01AT008561)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Physiology (medical) › Pain Mechanisms and Treatments
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Pain Management and Placebo Effect
Keywords
chronic low back pain, amygdala, functional connectivity, frontoparietal network, default mode network, salience network, pain catastrophizing, basolateral amygdala, centromedial amygdala, emotional distress, anxiety disorders
MeSH terms
Adult, Amygdala, Analysis of Variance, Brain Mapping, Cognition Disorders, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Models, Neurological, Mood Disorders, Executive Function, Catastrophization, Chronic Pain

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