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Related Concept Videos

Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

374
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,...
374
Psychological Responses to Stress01:20

Psychological Responses to Stress

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Psychological responses to stress encompass the various cognitive and emotional reactions individuals experience when faced with challenging or threatening situations, such as a job loss. Prolonged exposure to stressors can disturb emotional balance, increasing negative emotions (e.g., anxiety and sadness) and diminishing positive emotions (e.g., joy and satisfaction). These persistent emotional shifts are associated with an increased risk of both physical illness and mental health issues, such...
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Traumatic Memory01:20

Traumatic Memory

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Emotionally traumatic events often lead to memories that are exceptionally vivid and enduring, sometimes persisting with remarkable clarity throughout an individual's life. A classic example of this phenomenon is a person who survives a car accident. Even years later, they may recall every detail of the event with startling accuracy — the screeching of the tires, the jarring impact, and the acrid smell of burning rubber. Such vividness contrasts sharply with how an individual...
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Cognitive Therapy01:25

Cognitive Therapy

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Cognitive therapy, pioneered by Aaron T. Beck in the 1960s, is a structured approach to addressing psychological distress by focusing on the influence of thoughts on emotions and behaviors. All cognitive therapies involve the basic assumption that human beings have control over their feelings, and that how individuals feel about something depends on how they think about it. Unlike psychoanalytic methods that delve into unconscious processes or humanistic approaches emphasizing...
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Introduction to Stress and Lifestyle01:27

Introduction to Stress and Lifestyle

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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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Counterfactual Thinking01:19

Counterfactual Thinking

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Counterfactual thinking is a cognitive process wherein individuals mentally reconstruct alternative versions of past events, often beginning with “what if” or “if only.” This reflective mechanism plays a significant role in shaping emotional experiences and guiding future behavior. Though typically triggered by unfavorable or unexpected outcomes, counterfactual thinking can also emerge in mundane, everyday decisions and experiences, revealing its deep entrenchment in...
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Rethinking post-traumatic stress disorder - A predictive processing perspective.

Tobias Kube1, Max Berg2, Birgit Kleim3

  • 1Harvard Medical School, Program in Placebo Studies, Beth Israel Deaconess Medical Center, Brookline Avenue 330, Boston, MA, 02115, USA; University of Koblenz-Landau, Pain and Psychotherapy Research Lab, Ostbahnstr. 10, 76829 Landau, Germany.

Neuroscience and Biobehavioral Reviews
|April 22, 2020
PubMed
Summary
This summary is machine-generated.

This study applies predictive processing to post-traumatic stress disorder (PTSD), explaining trauma as a high-likelihood hypothesis that persists despite conflicting sensory input. This offers a new framework for understanding PTSD symptoms and neurobiology.

Keywords:
Bayesian brainactive inferencebelief updatingexpectationpost-traumatic stress disorderpredictive processing

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Area of Science:

  • Neuroscience
  • Computational Psychiatry
  • Psychology

Background:

  • Predictive processing offers a novel framework for understanding mental disorders.
  • Post-traumatic stress disorder (PTSD) is a complex mental health condition with significant impact.

Purpose of the Study:

  • To apply the predictive processing framework to post-traumatic stress disorder (PTSD).
  • To re-conceptualize PTSD symptom clusters, particularly re-experiencing symptoms and flashbacks, using a predictive processing model.
  • To provide a unifying neurobiological framework for PTSD pathologies.

Main Methods:

  • Bayesian interpretation of traumatic event experience as a high-a-priori likelihood perceptual hypothesis.
  • Re-conceptualization of PTSD symptom clusters through a predictive processing lens.
  • Analysis of flashbacks in terms of perceptual and interoceptive inference.

Main Results:

  • Traumatic experiences in PTSD are framed as persistent, high-likelihood hypotheses overriding sensory data.
  • Re-experiencing symptoms and flashbacks are explained via perceptual and interoceptive inference within the predictive processing model.
  • The model offers a unified neurobiological perspective on PTSD.

Conclusions:

  • The predictive processing account provides a novel understanding of PTSD's clinical profile.
  • This framework unifies the neurobiological underpinnings of PTSD.
  • The study suggests future research directions and implications for interventions.