Cited by 165Posttraumatic Stress Disorder ResearchNeural and Behavioral Psychology StudiesNeurotransmitter Receptor Influence on Behavior

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Functional Neuroimaging of Reward Circuitry Responsivity to Monetary Gains and Losses in Posttraumatic Stress Disorder

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Elman, Igor, Lowen, Steven, Frederick, Blaise B., Chi, Won, Becerra, Lino, Pitman, Roger K.·2009·Biological Psychiatry

DOI 10.1016/j.biopsych.2009.06.006PMC PMC9446383

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Abstract

Background Clinical impressions and preclinical work suggest that posttraumatic stress disorder (PTSD) might be associated with dysfunctional reward processing. To pursue this issue, we administered a validated passive-viewing monetary reward task during functional magnetic resonance imaging (fMRI) to subjects with chronic PTSD and to mentally healthy individuals.Methods The protocol evaluated fMRI signal changes that anticipated or accompanied monetary gains and losses under varying conditions of controlled expectation. The "expectancy phase" entailed presentation of a promising, unpromising, or intermediate Wheel of Fortune-type spinner, whereas the "outcome phase" was defined by the arrow landing on one of three sectors of that spinner, thereby determining the subjects' gain or loss for that trial.Results Neuroimaging data from 20 PTSD and 26 healthy subjects withstood quality control procedures and were included. In voxelwise and anatomically defined region-of-interest analyses, when gains were contrasted to losses, between-group comparison revealed smaller bilateral striatal activations in the PTSD subjects. In the PTSD group, less striatal activation to gains versus losses was associated with more self-reported motivational and social deficits.Conclusions The present data support the hypothesis that PTSD is associated with abnormal processing of monetary outcomes and that this alteration might be related to some aspects of emotional numbing.

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Authors: Elman, I., Lowen, S., Frederick, B. B., Chi, W., Becerra, L., & Pitman, R. K.
Affiliations: Harvard University (US)
Corresponding author: Elman, Igor
ORCID: Elman, Igor
Lowen, Steven
Frederick, Blaise B.
Becerra, Lino
Pitman, Roger K.
Venue: Biological Psychiatry
Publisher: Elsevier BV
Published: 2009-12
Volume: 66
Issue: 12
Pages: 1083-1090
ISSN: 0006-3223 (ISSN-L)
DOI: 10.1016/j.biopsych.2009.06.006
PMC: PMC9446383
OpenAlex: W1965978496
Cited by: 165
References: 77
Citations by year: 2026: 2 · 2025: 8 · 2024: 4 · 2023: 12 · 2022: 9 · 2021: 11 · 2020: 18 · 2019: 11 · 2018: 9 · 2017: 10 · 2016: 20 · 2015: 11 · 2014: 7 · 2013: 10 · 2012: 8
FWCI: 7.77
Type: journal article
Language: en
Open access: green
www.ncbi.nlm.nih.gov
Licence: www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations: Biological Psychiatry (publishedVersion)
PubMed (publishedVersion)
PubMed Central (acceptedVersion)
Funders: National Institute on Drug Abuse (K25DA016612, R01DA017959, DA16612, DA 017959)
Topics: Social Sciences › Psychology › Clinical Psychology › Posttraumatic Stress Disorder Research
Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords: post-traumatic stress disorder, reward processing, monetary gains and losses, striatum, emotional numbing, motivational deficits, social dysfunction, chronic PTSD
MeSH terms: Adult, Analysis of Variance, Brain, Brain Mapping, Female, Humans, Image Processing, Computer-Assisted, Magnetic Resonance Imaging, Male, Memory, Middle Aged, Nerve Net, Oxygen, Reward, Stress Disorders, Post-Traumatic, Time Factors, Young Adult

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Functional Neuroimaging of Reward Circuitry Responsivity to Monetary Gains and Losses in Posttraumatic Stress Disorder

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