Ptsd

Posttraumatic Stress Disorder Posttraumatic stress upset, also known as posttraumatic stress disorder is an anxiety disorder that dirty dog check after experiencing an super traumatic event or continuing exposure to a traumatic event. The traumatic event can either be physical or psychological, frequently a combination of both. non e veryone acquires posttraumatic stress disorder after a traumatic event and sometimes it may take months until tokens actually appear. It is scarce one of legion(predicate) disorders that can occur after a traumatic event. The third main symptoms of posttraumatic stress disorder are re-experiencing or re-experiencing the event, avoidance, and hyperarousal (Newport & Nemeroff, 2003). posttraumatic stress disorder is a fairly new disorder and very complex, so there are several variant hypotheses on it. Areas of research currently involve and are not peculiar(a) to wizard shares, neurochemicals and medication treatment involved in PTSD. The amygdaloid nucleus is an important brain structure that has been associated with PTSD because of its use in processing external threats and fear conditioning. It also has beardown(prenominal) connections to an different(prenominal) brain structures that control autonomic, hormonal and arousal responses. Researchers have suggested that the hyperarousal symptom of PTSD is connected the amygdaloid nucleus is hyperresponsive.

Studies examining the amygdala show that, tender patients and trauma survivors who did not have PTSD had a much(prenominal) high activation thresholds compared to PTSD patients. It is unclear whether having a keen amygdala activation threshold is preexisting or caused by the PTSD (Medina! , 2008, p. 18). A positive correlation between the validity of PTSD symptoms and amygdala activation was found in quin other studies. Some studies also hypothesize that the amygdala and the medial prefrontal cortex are connected somehow in PTSD (Shin, Rauch & Pitman, 2006, p. 69). The medial prefrontal cortex (mPFC) is a brain region of interest in regards to PTSD because of its connection to behavioural quenching and fear response. In a study use rodents,...If you loss to get a full essay, order it on our website: OrderEssay.net

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