Contrast TWO or more approaches to understanding the aetiology of Posttraumatic stress disorder

... Contrast TWO or more approaches to understanding the aetiology of Posttraumatic stress disorder The notion of post-traumatic stress has been around since the latter half of the nineteenth century embedded in terms such as 'shell shock' and 'combat neurosis'. However the official introduction of the term posttraumatic stress disorder (PTSD) in 1980 has instigated considerable research into the origins of the condition. Of course, such a disorder develops because the individual has been exposed to trauma of some kind. Indeed, the diagnostic criteria for PTSD uniquely includes an etiological element: "...the person has been exposed to a traumatic event...and the person's response involved fear, helplessness and horror" (DSM-IV; American Psychiatric Association, 1994). Here lies a misconception that the aetiology of PTSD is known as the disorder is seen as a pathological response to trauma. However, investigators have questioned why it is then that not all people of similar circumstances go on

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