Cited by 94Posttraumatic Stress Disorder ResearchTraumatic Brain Injury ResearchPsychoanalysis and Psychopathology Research

Neural Correlates of Inhibition and Contextual Cue Processing Related to Treatment Response in PTSD

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van Rooij, Sanne JH, Geuze, Elbert, Kennis, Mitzy, Rademaker, Arthur R, Vink, Matthijs·2015·Neuropsychopharmacology

Abstract

Thirty to fifty percent of posttraumatic stress disorder (PTSD) patients do not respond to treatment. Understanding the neural mechanisms underlying treatment response could contribute to improve response rates. PTSD is often associated with decreased inhibition of fear responses in a safe environment. Importantly, the mechanism of effective treatment (psychotherapy) relies on inhibition and so-called contextual cue processing. Therefore, we investigate inhibition and contextual cue processing in the context of treatment. Forty-one male war veterans with PTSD and 22 healthy male war veterans (combat controls) were scanned twice with a 6- to 8-month interval, in which PTSD patients received treatment (psychotherapy). We distinguished treatment responders from nonresponders on the base of percentage symptom decrease. Inhibition and contextual cue processing were assessed with the stop-signal anticipation task. Behavioral and functional MRI measures were compared between PTSD patients and combat controls, and between responders and nonresponders using repeated measures analyses. PTSD patients showed behavioral and neural deficits in inhibition and contextual cue processing at both time points compared with combat controls. These deficits were unaffected by treatment; therefore, they likely represent vulnerability factors or scar aspects of PTSD. Second, responders showed increased pretreatment activation of the left inferior parietal lobe (IPL) during contextual cue processing compared with nonresponders. Moreover, left IPL activation predicted percentage symptom improvement. The IPL has an important role in contextual cue processing, and may therefore facilitate the effect of psychotherapy. Hence, increased left IPL activation may represent a potential predictive biomarker for PTSD treatment response.

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  • Frontostriatal circuits are known to support inhibition of fear responses to stimuli similar to the feared stimulus in generalization of extinction learning.

    “Frontostriatal circuits are known to support the inhibition of fear responses to stimuli similar to the feared stimulus (e.g., masked pictures of it) in the generalization of extinction learning (Peters, Dunlop & Downar, 2016; van Rooij et al. 2015).”

    From Advancing the treatment of anxiety disorders in transition‐age youth: a review of the therapeutic effects of unconscious exposure. (2025) · cites this paper as van Rooij et al. 2015

    The Introduction and Discussion link fear inhibition in PTSD to contextual cues and report reduced right inferior frontal gyrus activation during a cognitive inhibition task. They do not establish that frontostriatal circuits inhibit fear responses to similar stimuli during generalization of extinction learning; the study deliberately used a task unrelated to trauma rather than testing such stimuli. (LLM, conf=0.88)

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  • Frontostriatal circuits comprise a neuroregulatory system that supports extinction of stimulus generalization-fear responses to stimuli resembling the phobic stimulus.

    “Frontostriatal circuits comprise a neuroregulatory system that supports the extinction of stimulus generalization -- fear responses to stimuli that resemble the phobic stimulus, such as masked pictures of it; Peters et al. 2016; van Rooij et al. 2015).”

    From Advancing the treatment of anxiety disorders in transition‐age youth: a review of the therapeutic effects of unconscious exposure. (2025) · cites this paper as van Rooij et al. 2015

    The Introduction (page unavailable) links fear extinction to inhibition in a safe context, and the Results (page unavailable) associate right inferior frontal gyrus activation with contextual cue processing in veterans with PTSD. The paper does not establish that frontostriatal circuits extinguish generalized fear responses to phobic-stimulus lookalikes or masked pictures; its task used cues about whether a stop signal could occur. (LLM, conf=0.87)

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Sorted by citations

Authors
van Rooij, S. J., Geuze, E., Kennis, M., Rademaker, A. R., & Vink, M.
Affiliations
  • University Medical Center Utrecht (NL)
  • Ministry of Defence (NL)
Venue
Neuropsychopharmacology
Published
2014-08-26
Volume
40
Issue
3
Pages
667-675
ISSN
  • 0893-133X (ISSN-L)
  • 1740-634X
OpenAlex
W2006486060
Cited by
94
References
0
Citations by year
2026: 4 · 2025: 3 · 2024: 6 · 2023: 7 · 2022: 4 · 2021: 11 · 2020: 12 · 2019: 6 · 2018: 13 · 2017: 9 · 2016: 13 · 2015: 6
FWCI
11.05
Type
journal article
Language
en
Open access
Locations
  • Neuropsychopharmacology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion)
  • Utrecht University Repository (Utrecht University) (submittedVersion, other-oa)
Funders
Ministerie van Defensie
Topics
  • Social Sciences › Psychology › Clinical Psychology › Posttraumatic Stress Disorder Research
  • Health Sciences › Medicine › Epidemiology › Traumatic Brain Injury Research
  • Social Sciences › Psychology › Clinical Psychology › Psychoanalysis and Psychopathology Research
Keywords
post-traumatic stress disorder, treatment response prediction, inhibition, inferior parietal lobule, war veterans, fear extinction, predictive biomarkers, psychotherapy, combat exposure
MeSH terms
Adult, Cues, Humans, Inhibition, Psychological, Magnetic Resonance Imaging, Male, Parietal Lobe, Psychotherapy, Stress Disorders, Post-Traumatic, Veterans, Case-Control Studies, Treatment Outcome, Young Adult, Anticipation, Psychological, Functional Neuroimaging

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