wamss notes dissociative disorders Flashcards
dissociative disorders
Dissociative Disorders are characterised by a disruption of and/or discontinuity in the normal integration of
consciousness, memory, identity, emotion, perception, body representation, motor control & behaviour
dissociative symptoms are experienced as
a) Positive Symptoms- Unbidden intrusions to awareness or behaviour with accompanying losses of
continuity in subjective experience (depersonalisation, derealisation, fragmentation of identity)
b) Negative Symptoms- inability to access information or to control mental functions that normally are
readily accessible (amnesia)
aetiology of dissociative disorders
Stress / trauma / neglect
Often in early childhood
Familial associations
dissociative identity disorder
Condition in which 2 or more distinct identities or personality states are present within an individual
Formerly Multiple Personality Disorder
criteria for dissociative identity disorder
A. Disruption of identity characterised by 2 or more distinct personality states. Alterations in
affect, behaviour, consciousness, memory, perception, cognition, sensory/motor functioning.
May be observed by self or others
B. Recurrent gaps in recall of everyday events, personal info or traumatic events
C. Causes distress
D-E. Not part of cultural, religious or substance effects
pathophysiology of dissociative identity disorder
Creation of an alternative identity as a protective but maladaptive coping mechanism allowing
compartmentalisation of a traumatic experience encased within the alternate personality that
experienced it
Tx for dissociative identity disorder
psychotherapy and CBT
prognosis for dissociative identity disorder
70% suicide risk
dissociative amnesia
Memory disorder characterised by retrograde amnesia occurring in a single episode or episodically through life
criteria for dissociative amnesia
A. Inability to recall important autobiographical information, usually of a traumatic or
stressful nature (may be for selective specific events or generalised for life long hx)
B. Causes significant distress
C. Not attributed to a substance or medical condition
D. Not better explained by another mental health condition
dissociative fugue
Dissociative Fugue: apparently purposeful travel or bewildered wandering that is associated with amnesia
localised amnesia
failure to recall events during a circumscribed period of time, most common, maybe longer than a single traumatic event, months-years with abuse
selective amnesia
pt can recall some but not all events in a specific time, may be amnesic to
traumatic events but not other parts
generalised amnesia
complete loss of hx from ones life memory. May be loss of knowledge about the world (semantic knowledge), well-learned skills (procedural knowledge). - rare
depersonalisation/derealisation disorder
Type of dissociative disorder with persistent or recurrent feelings of depersonalisation (feeling
of being detached from one’s self/an outside observer to ones live) and/or derealisation
(feeling that the world around isn’t really real or detached).