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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
Symptoms and Behavioral Manifestations
A spectrum of distressing symptoms characterizes PTSD. Recurrent flashbacks, where individuals involuntarily relive traumatic events,...
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Stress is a multifaceted response to events perceived as challenging or threatening, highlighting physical, emotional, cognitive, and behavioral reactions. Physically, stress can lead to fatigue, sleep disruptions, and various health issues such as frequent colds, chest pains, and nausea. Emotionally, it can manifest as anxiety, depression, irritability, and anger triggered by both minor and major life events. Cognitively, it may result in difficulty in concentration, memory, and...
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Related Experiment Video

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Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
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Using experimental methodologies to assess posttraumatic stress.

Tanja Jovanovic1, Sheila Am Rauch2, Alex O Rothbaum3

  • 1Department of Psychiatry and Behavioral Sciences, Emory University School of Medicine, Atlanta, USA.

Current Opinion in Psychology
|August 17, 2017
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Summary
This summary is machine-generated.

Objective biological measures for post-traumatic stress disorder (PTSD) are lacking. This review explores experimental assessments, including psychophysiological startle and cortisol, for diagnosing and treating PTSD.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Psychology

Background:

  • Post-traumatic stress disorder (PTSD) diagnosis lacks objective biological markers.
  • Current assessment relies on subjective symptom reporting, hindering reliable diagnosis and treatment monitoring.

Purpose of the Study:

  • To review experimental assessments for PTSD, focusing on psychobiological indices.
  • To highlight objective measures that are dysregulated in PTSD and responsive to treatment.

Main Methods:

  • Review of experimental studies on psychophysiological startle response.
  • Analysis of cortisol levels and related endocrine markers in PTSD.
  • Examination of novel predictive measures in the acute aftermath of trauma.

Main Results:

  • Psychophysiological startle and cortisol levels show dysregulation in PTSD.
  • These indices demonstrate responsiveness to therapeutic interventions for PTSD.
  • Emerging methods show promise for early impact assessment and PTSD prediction.

Conclusions:

  • Objective psychobiological measures are crucial for advancing PTSD assessment.
  • Startle response and cortisol offer potential as biomarkers for PTSD diagnosis and treatment.
  • Future research should focus on integrating novel measures for early detection and prediction.