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Yıl:2015; Cilt: 18; Sayı: 2>> Özet
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Klinik Psikiyatri Dergisi; 2015;18(2):71-79
Travma Sonrası Stres Bozukluğunun Nörobiyolojisi: Bir Gözden Geçirme
IG Gül, G Eryılmaz
Üsküdar Üniversitesi, İstanbul
Travma Sonrası Stres Bozukluğu (TSSB), travmatik bir olaya maruz kaldıktan sonra ortaya çıkan, yeniden yaşantılama, kaçınma-küntleşme ve aşırı uyarılmışlık gibi özgül semptomlar ile kendini gösteren bir sendromdur. TSSB tanısı genel olarak Vietnam savaşı sonrası kullanılmaya başlanmış ve DSM(Diagnostic and Statistical Manual of Mental Disorders) tanı sistemi içerisinde yer almıştır. Travmanın ciddiyeti, süresi gibi etkenlerin dışında hastalığın ortaya çıkmasını ve seyrini genetik, nöroendokrinolojik ve sosyal birçok sebep etkilemektedir. Bu bozukluğun etiyolojisinin anlaşılmasında nörobiyolojik, bilişsel, davranışsal ve psikodinamik alanda yapılan çalışmalar artarak sürmektedir. Etiyolojide birçok etmenin rol oynadığı düşünülmektedir. Bunlardan; nöroendokrin sistem ve Hipotalamo-Pituiter-Adrenal Aks (HPA), nörotransmitter sistemleri, nöroanatomik-nörofizyolojik modelleri, opioid Sistemi, endokanobinoidler ve genetik risk faktörleri en çok üstünde durulanlardır. TSSB'nin etiyolojisinde birden fazla faktörün rol oynadığı ve bu bozukluğun daha net anlaşılabilmesi için, çok boyutlu ve uzun süreçli çalışmaların devamının gerekli olduğu görülmektedir.Bu yazıda;TSSB'nin etiyolojinde rol oynayannöroendokrin sistem, HPA, nörotransmitter sistemleri, nöroanatomik ve nörofizyolojik modeller gibi çeşitli faktörler gözden geçirilmiştir.
Neurobiology of Post Traumatic Stress Disorder: A Review
Posttraumatic Stress Disorder (PTSD) is a syndrome characterised by symptoms of re-experiencing the traumatic event, avoidance-emotional numbness and hypervigilance symptoms that can develop after exposure to a traumatic event. PTSD has typically been used after the Vietnam War it has been involved in the DSM (Diagnostic and Statistical Manual of Mental Disorders) diagnostic system. Besides trauma's severity and duration; social, neuroendocrinologic and genetic factors effects developing PTSD. In order to understand the etiology of this disorder, there are continuous increases on the neurobiological, cognitive, behavioral and psychodynamic field studies. It is believed that many factors play a role in the etiology. Neuroendocrine system and the hypothalamuspituitary-adrenal axis (HPA), neurotransmitter systems, neuroanatomical-neurophysiological models,opioid system, endocannabinoids and genetic risk factors are part of factors that are most focused on. The etiology of PTSD also play a role the multiple factors and for the a clearer understanding of this disorder is considered to be multidimensional and long process required further work. In this article, some of these factors,such as neuroendocrine system and HPA, neurotransmitter systems, neuroanatomical-neurophysiological models that play a role in the etiology of PTSD are reviewed.

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