DissociativeDisordersb.ppt

1、Dissociative Disorders,Dissociation,Psychogenic disruption in conscious awareness Complex mental activity that is independent from or not integrated within conscious awareness,Automatisms,Accomplishing a task with little or no conscious awareness Much of our life involves non-conscious mental activi

2、ty (both perception and memory) Automatic, non-deliberate, not self-monitored,When is Dissociation a problem?,Loss of overall, integrative control Unable to access information Loss of a coherent sense of self,Dissociative Disorders,Splitting apart of components (identity, memory, perception) of a pe

3、rsons personality that are usually integrated,Types of Dissociative Disorders,Dissociative Amnesia Dissociative Fugue Dissociative Identity Disorder Depersonalization Disorder,Dissociative Amnesia,Partial or total forgetting of past experience without a biological cause Almost always anterograde blo

4、cking out a period of time after psychogenic cause (e.g. stress / trauma) Memory loss is often selective Relative indifference to loss of memory Remain well oriented to time and place,Dissociative Amnesia: Patterns of Memory Loss,Localized amnesia All events in a circumscribed period Selective amnes

5、ia Forget only certain events that occur during a circumscribed period Generalized amnesia Continuous amnesia Systematized amnesia,Dissociative Fugue,Amnesia + sudden, unexpected trip away from home Often involves the creation of a new identity Fugue state usually ends abruptly then amnesic for even

6、ts during the fugue,Dissociative Identity Disorder,Sense of self, or personality breaks up into two or more distinct identities which take turns “controlling” behaviour At least one “personality” is amnesic for the experiences of the others “Alter” often coconscious with the host,Dissociative Identi

7、ty Disorder,Identities are often polarized Often each identity specializes in different areas of functioning, encapsulates different memories Very high proportion report significant trauma in childhood possible strategy that children use to distance themselves from trauma,Controversy re. cause of DI

8、D,Faking - malingering Induced by therapy - iatrogenic Social Role Hypnotizability “False Memory Syndrome”,Depersonalization Disorder,Disruption in identity without amnesia Sense of strangeness or unreality in oneself Derealization Reduced emotional responsiveness,Explaining Dissociative Disorders,M

9、ost theories assume that dissociation is a way of escape from situations that are beyond coping powers,Psychodynamic Perspective,Janet (1929) Anxiety relief Dissociative amnesia = repression Fugue and DID also involve acting out of repressed wish Treatment: safety, awareness*, integration,Behavioura

10、l and Sociocultural Perspective,Behavioural: Learned coping response symptoms are rewarded and / or relieve stress Sociocultural: Adopting a “social role”, often see iatrogenic forces as part of cause Treatment = non-reinforcement,Cognitive Perspectives,Disorders of memory State dependent memory,Neuroscience Perspec