The hierarchical predictive coding framework of post-traumatic stress disorder

•The default mode network (DMN) may serve as a hub for real-time sensory synthesis.•Post-traumatic stress disorder (PTSD) has identified perceptual challenges as a core feature of the disorder.•The hierarchical predictive coding framework synthesizes these lines of research into a novel theoretical...

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Vydáno v:Medical hypotheses Ročník 188; s. 111365
Hlavní autoři: Pierce, Zachary P., Black, Jessica M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Elsevier Ltd 01.07.2024
Témata:
Brain
DMN
Perception
Prediction
PTSD
Stress
PTSD
Brain
Perception
DMN
Stress
Prediction
ISSN:0306-9877, 1532-2777
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Shrnutí:•The default mode network (DMN) may serve as a hub for real-time sensory synthesis.•Post-traumatic stress disorder (PTSD) has identified perceptual challenges as a core feature of the disorder.•The hierarchical predictive coding framework synthesizes these lines of research into a novel theoretical model. Humans rely on internal models from sensory information to predict future action, and the default mode network (DMN) plays a pivotal role in this process. These models, however, can become distorted or disrupted in cases of post-traumatic stress disorder (PTSD) because traumatic stress can maladaptively alter how humans understand themselves and predict what happens in the world around them. Here, we examine the relationship between PTSD and this predictive phenomenon known as hierarchical predictive coding implicated in the DMN. We postulate that a hierarchical predictive coding framework will help researchers and clinicians more effectively explain the neural and psychological effects of PTSD among individuals who live with this condition, which may contribute to more targeted research and treatment outcomes.
ISSN:0306-9877
1532-2777
DOI:10.1016/j.mehy.2024.111365