Ptsd Research
Ptsd Research - Related Videos
08:29
Biomarkers in an Animal Model for Revealing Neural, Hematologic, and Behavioral Correlates of PTSD
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Cited by 29 •
2012
We describe a rat model of post traumatic stress disorder (PTSD) that reveals the persistent alterations in neuroendocrine function and the delayed long-term, exaggerated fear response, characteristic of PTSD patients. The animal model and methods described here are useful for correlating biomarkers in brain nuclei, which are mechanistic but cannot be measured in patients, with biomarkers in peripheral white blood cells, which can.
10:43
Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
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Cited by 12 •
2014
This protocol describes the complementary neuroimaging techniques of resting state structural connectivity, task-induced deactivation, and structural connectivity analyses to examine the default network in post-traumatic stress disorder. The use of synergistic methods could potentially lead to improved diagnostics and assessments of severity, outcome, and other relevant clinical factors.
03:15
Deep Transcranial Magnetic Stimulation to Alleviate Symptoms of Post-Traumatic Stress Disorder
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2025
Source: Tendler, A., et al. How to Use the H1 Deep Transcranial Magnetic Stimulation Coil for Conditions Other than Depression. J. Vis. Exp. (2017)This video demonstrates the use of deep transcranial magnetic stimulation (dTMS) to alleviate symptoms of post-traumatic stress disorder, or PTSD. It begins by identifying reduced activity in the medial prefrontal cortex (mPFC) as a key factor contributing to the overactivation of the amygdala and heightened fear responses. By applying targeted...
08:04
Cytotoxic Efficacy of Photodynamic Therapy in Osteosarcoma Cells In Vitro
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Cited by 8 •
2014
The protocol reported here allows the evaluation of the efficacy of photodynamic therapy (PDT) in cell lines and the optimization of the PDT settings before applying the therapy in animal models.
10:01
Structure-Guided Design and Development of Novel Cyclophilin A Inhibitors and Ganoderiol-F Derivatives: An In-Silico Approach
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2026
Here, we present a protocol for the structure-guided design of protein-ligand binding interaction between Sanglifehrin A and Cyclophilin A/Ganoderiol-F, essential in discovering new drugs. The stability of the ligand-receptor complex was evaluated using molecular dynamics simulation.
FAQs
Researchers examine PTSD through interacting systems rather than a single cause. Trauma exposure is considered alongside brain and body responses, cognitive processes, and environmental factors, because these domains may jointly shape persistent changes in memory, emotion, behavior, and stress regulation. This framework helps psychology researchers investigate how symptoms develop and persist.
Intrusive memories, avoidance, and heightened threat responses provide distinct behavioral and cognitive signals for studying persistence. Memory processes can be examined in relation to intrusive experiences, while avoidance and threat responses help researchers evaluate emotional and behavioral changes. Considering these symptoms together connects observable experiences with underlying cognitive, brain, body, and stress-regulation processes.
Each method contributes a different perspective. Clinical interviews assess reported experiences, behavioral measures examine observable responses, and neuroimaging investigates brain-related patterns. When combined, these approaches allow researchers to compare subjective symptoms with behavioral and biological information. This broader assessment can improve understanding of symptom development and support more accurate psychological evaluation.
Environmental factors provide context for interpreting trauma-related changes in memory, emotion, behavior, and stress regulation. PTSD research therefore considers experiences beyond the individual’s brain and body responses, examining how surroundings may interact with cognitive and emotional processes. Including this context helps psychologists develop a more complete account of why symptoms develop and persist.
Researchers can use clinical interviews to gather information about a person’s experiences and symptoms, then use behavioral measures to examine related responses in a structured way. These approaches address complementary aspects of assessment rather than relying on one source of information. Together, they support more accurate evaluation and help clarify patterns such as avoidance or heightened threat responses.
Treatment trials test interventions in a research setting and provide evidence about their effects on trauma-related symptoms and functioning. Their findings can show whether an approach addresses problems such as intrusive memories, avoidance, or heightened threat responses. In psychology, this evidence supports the development and selection of evidence-based interventions and improves care.
Findings can improve assessment, guide evidence-based interventions, and inform prevention and care for people affected by trauma. Research also helps psychologists connect clinical symptoms with memory, emotion, behavior, brain and body responses, and stress regulation. These contributions make trauma-related evaluation and treatment more scientifically grounded while supporting better-informed care decisions.