Cited by 209Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesAnxiety, Depression, Psychometrics, Treatment, Cognitive Processes

PERIL AND PLEASURE: AN RDOC-INSPIRED EXAMINATION OF THREAT RESPONSES AND REWARD PROCESSING IN ANXIETY AND DEPRESSION: Neighborhood Characteristics and Mental Health

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Dillon, Daniel G., Rosso, Isabelle M., Pechtel, Pia, Killgore, William D. S., Rauch, Scott L., Pizzagalli, Diego A.·2014·Depression and Anxiety

Abstract

As a step toward addressing limitations in the current psychiatric diagnostic system, the National Institute of Mental Health recently developed the Research Domain Criteria (RDoC) to stimulate integrative research-spanning self-report, behavior, neural circuitry, and molecular/genetic mechanisms-on core psychological processes implicated in mental illness. Here, we use the RDoC conceptualization to review research on threat responses, reward processing, and their interaction. The first section of the manuscript highlights the pivotal role of exaggerated threat responses-mediated by circuits connecting the frontal cortex, amygdala, and midbrain-in anxiety, and reviews data indicating that genotypic variation in the serotonin system is associated with hyperactivity in this circuitry, which elevates the risk for anxiety and mood disorders. In the second section, we describe mounting evidence linking anhedonic behavior to deficits in psychological functions that rely heavily on dopamine signaling, especially cost/benefit decision making and reward learning. The third section covers recent studies that document negative effects of acute threats and chronic stress on reward responses in humans. The mechanisms underlying such effects are unclear, but the fourth section reviews new optogenetic data in rodents indicating that GABAergic inhibition of midbrain dopamine neurons, driven by activation of the habenula, may play a fundamental role in stress-induced anhedonia. In addition to its basic scientific value, a better understanding of interactions between the neural systems that mediate threat and reward responses may offer relief from the burdensome condition of anxious depression.

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Authors
Dillon, D. G., Rosso, I. M., Pechtel, P., Killgore, W. D. S., Rauch, S. L., & Pizzagalli, D. A.
Affiliations
Harvard University (US)
Corresponding author
Dillon, Daniel G.
Venue
Depression and Anxiety
Published
2013-10-21
Volume
31
Issue
3
Pages
233-249
ISSN
1091-4269 (ISSN-L)
OpenAlex
W2159359129
Cited by
209
References
156
Citations by year
2026: 12 · 2025: 10 · 2024: 24 · 2023: 17 · 2022: 16 · 2021: 25 · 2020: 17 · 2019: 16 · 2018: 16 · 2017: 19 · 2016: 12 · 2015: 19 · 2014: 6
FWCI
1.26
Type
journal article
Language
en
Open access
Locations
  • Depression and Anxiety (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • AstraZeneca
  • Servier
  • National Institute of Mental Health (K99MH094438, R01MH101521, R01MH095809, R01MH068376, R21MH078979, R01MH096987)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes
Keywords
threat response, reward processing, anxiety, depression, Research Domain Criteria, serotonergic system, amygdala, frontal cortex, midbrain, anhedonia, dopamine signaling, cost-benefit decision making, reward learning, chronic stress, habenula, GABAergic inhibition, optogenetics, anxious depression
MeSH terms
Animals, Anxiety Disorders, Brain, Depressive Disorder, Fear, Humans, Reward

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