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Dissociative disorders are characterized by distinct brain differences in the activation of various brain regions including the inferior parietal lobe, prefrontal cortex, and limbic system. [16] Those with dissociative disorders have higher activity levels in the prefrontal lobe and a more inhibited limbic system on average than healthy ...
This specific disorder has been related to self preservation and the body's natural instinct to protect itself. [30] [31] [32] Research is on-going related to its development, its importance, and its relationship to trauma, dissociative disorders, and predicting the development of PTSD. [30] [31] [33] [32]
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 ...
OSDD is the most common dissociative disorder and is diagnosed in 40% of dissociative disorder cases. [3] It is often co-morbid with other mental illnesses such as complex posttraumatic stress disorder , major depressive disorder , generalized anxiety disorder , personality disorders , substance use disorders , and eating disorders .
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:
Suspected cases of psychogenic amnesia have been heavily reported throughout the literature since 1935 where it was reported by Abeles and Schilder. [12] There are many clinical anecdotes of psychogenic or dissociative amnesia attributed to stressors ranging from cases of child sexual abuse [13] to soldiers returning from combat. [1] [14]
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There are two new diagnoses: other specified obsessive-compulsive and related disorder, which can include body-focused repetitive behavior disorder (behaviors like nail biting, lip biting, and cheek chewing, other than hair pulling and skin picking) or obsessional jealousy; and unspecified obsessive-compulsive and related disorder. [11]