Post-Traumatic Stress Disorder: The Relationship Between the Fear Response and Chronic Stress
Open accessAbstract
Post-traumatic stress disorder (PTSD) is a disabling psychiatric condition that can develop following a physical, psychological, or sexual trauma. Despite the growing body of literature examining the psychological and biological factors involved in PTSD psychopathology, specific biomarkers that may improve diagnosis and treatment of PTSD have yet to be identified and validated. This challenge may be attributed to the diverse array of symptoms that individuals with the disorder manifest. Examining the interrelated stress and fear systems allows for a more comprehensive study of these symptoms, and through this approach, which aligns with the research domain criteria (RDoC) framework, neural and psychophysiological measures of PTSD have emerged. In this review, we discuss PTSD neurobiology and treatment within the context of fear and stress network interactions and elucidate the advantages of using an RDoC approach to better understand PTSD with fear conditioning and extinction paradigms.
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Studies in rodent models have focused on fear conditioning because PTSD in humans is believed to arise from abnormal activation of fear circuitry.
“Studies in rodent models have focused on fear conditioning because PTSD in humans is believed to arise from abnormal activation of fear circuitry [81].”
From The extracellular matrix and perineuronal nets in memory (2022) · cites this paper as [81]
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- Authors
- Maeng, L. Y., & Milad, M. R.
- Affiliations
- Harvard University (US)
- Corresponding author
- Milad, Mohammed R
- Venue
- Chronic Stress
- Publisher
- SAGE Publications
- Published
- 2017-02
- Volume
- 1
- Pages
- 2470547017713297-2470547017713297
- ISSN
- 2470-5470 (ISSN-L)
- PMC
- PMC7219872
- OpenAlex
- W2732981861
- Cited by
- 92
- References
- 36
- Citations by year
- 2026: 6 · 2025: 21 · 2024: 13 · 2023: 12 · 2022: 10 · 2021: 13 · 2020: 9 · 2019: 4 · 2018: 4
- FWCI
- 0.71
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Locations
- Chronic Stress (publishedVersion, cc-by-nc)
- PubMed Central (publishedVersion, cc-by-nc)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Topics
- Social Sciences › Psychology › Clinical Psychology › Posttraumatic Stress Disorder Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
- Keywords
- post-traumatic stress disorder, fear response, fear conditioning, fear extinction, PTSD treatment, biomarkers, Research Domain Criteria, psychophysiological measures
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