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Dissociative disorders involve involuntary dissociation as an unconscious defense mechanism, wherein the individual with a dissociative disorder experiences separation in these areas as a means to protect against traumatic stress. Some dissociative disorders are caused by major psychological trauma, though the onset of depersonalization ...
[24] [25] Although some dissociative disruptions involve amnesia, other dissociative events do not. [26] Dissociative disorders are sometimes triggered by trauma, but may be preceded only by stress, psychoactive substances, or no identifiable trigger at all. [27] The ICD-10 classifies conversion disorder as a dissociative disorder. [18]
Dissociative amnesia is a common fictional plot device in many films, books and other media. Examples include William Shakespeare 's King Lear , who experienced amnesia and madness following a betrayal by his daughters; [ 28 ] and the title character Nina in Nicolas Dalayrac 's 1786 opera. [ 28 ]
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Dissociative fugue (/ f juː ɡ / FYOOG), previously referred to as a fugue state or psychogenic fugue, [1] is a rare psychiatric condition characterized by reversible amnesia regarding one’s identity, often accompanied by unexpected travel or wandering.
As patients with dissociative disorders likely experienced intense trauma in the past, concomitant dissociative disorders should be considered in patients diagnosed with a stress disorder (i.e. PTSD or acute stress disorder). [50] The diagnosis of depersonalization disorder can be made with the use of the following interviews and scales:
[4] [5] [6] According to Pender (1972), "the state has been designated as dissociative anesthesia since the patient truly seems disassociated from his environment." [ 7 ] Both Pender (1970) and Johnstone et al. (1959) reported that patients under anaesthesia due to either ketamine or phencyclidine were prone to purposeless movements and had ...
Dissociative identity disorder; Other names: Multiple personality disorder Split personality disorder: Specialty: Psychiatry, clinical psychology: Symptoms: At least two distinct and relatively enduring personality states, [1] recurrent episodes of dissociative amnesia, [1] inexplicable intrusions into consciousness (e.g., voices, intrusive thoughts, impulses, trauma-related beliefs), [1] [2 ...