Neurobiology of Posttraumatic Stress Disorder (PTSD) and its Frontostriatal Implications: a short review

Sánchez Castillo, Hugo; Paz-Trejo, Diana; Vazquéz Ramírez	, Josselyn; Zarate González, Pavel; Migliaro, Martin

doi:10.15517/ap.v28i117.14131

Autores

Hugo Sánchez Castillo Facultad de Psicologia UNAM Autor
Diana Paz-Trejo Laboratory of Neuropsychopharmacology and Timing. Sociedad Iberoamericana de Neurociencia Aplicada (Ibero-American Society of Applied Neuroscience) Autor
Josselyn Vazquéz Ramírez Sociedad Iberoamericana de Neurociencia Aplicada (Ibero-American Society of Applied Neuroscience) Autor
Pavel Zarate González Sociedad Iberoamericana de Neurociencia Aplicada (Ibero-American Society of Applied Neuroscience) Autor
Martin Migliaro Psychology School. Department of Psychobiology and Neuroscience. Laboratory of Neuropsychopharmacology and Timing. Universidad Nacional Autónoma de México (National Autonomous University of Mexico). Autor

DOI:

https://doi.org/10.15517/ap.v28i117.14131

Palavras-chave:

Stress, Cortisol, Trauma, hippocampu, prefrontal cortex

Resumo

Throughout its evolutionary course, stress has remained as an adaptive response to stimuli that may jeopardize the integrity of an organism. Within this perspective, we can classify the stressors as psychological,
physical or harmful to cardiovascular stability. However, when intense stressful events occur, there is a possibility of developing PTSD. This disorder makes use of the hypothalamic-pituitary-adrenal axis, which is commonly activated during stress and is kept activated even when the stressful stimulus has ended months ago. The consequences of this condition are observed at the neuroendocrine, neurochemical and anatomical level. This review aims to give a brief report of the neurobiology of stress, PTSD, and its implications in various structures,
such as the amygdala, hippocampus and prefrontal cortex.

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Biografia do Autor

Hugo Sánchez Castillo, Facultad de Psicologia UNAM

Profesor Tiempo Completo Definitivo

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