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dissociation
a significant disruption in one's conscious experience, memory, sense of identity, or any combination of the three, without a physical cause
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depersonalization disorder
persistent and distressign feelings of being detached from one's mind or body
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dissociative amnesia
pychogenic loss of ability to recall important personal information, usually of a traumatic or stressful nature
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localized amnesia
loss of memory for all of the events that occured withing a circumscribed period of time
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selective amnesia
loss of memory for some, but not all, of the events from a specific period of time
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generalized amnesia
loss of memory for events and information, including information pertaining to personal identity, from the time both before and after traumatic event
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continuous amnesia
loss of memory that begins at a specific time, continues through to the present, and prevents the retention in memory of new experiences
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systematized amnesia
the loss of memory for a certain category of information
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dissociative fugue
sudden and unexpected travel away from home accompanied by forgetting of one's past and personal idenetity
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dissociative identity disorder
presense of two or more distinct personalities or identity states that recurrently control an individuals behaviors
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hysteria
a term once used to describe what are now categorized as dissociative or somatoform disorders
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somatoform disorders
disorders in which physical symptoms are caused by psychological factors
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posttraumatic model
a theory of dissocitaive identity disorder that argues that it results from traumatic childhood experiences
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sociocognitive model
a theory of dissociative identity disorder that argues that it is iatrogenic and/or the disorder results from socially reinforced multiple role enactments
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iatrogenic
a disorder unintentionally caused by a treatment
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retrospective
research based on participants recall of information about events that occured in the past
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recall bias
bias based on distortion in memories for past events
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rumination bias
bias based on the fact that thinking about past event enhances the memory of such events
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selection bias
bias based on researching non-representative samples, such as when studies only investigate research subjects who already have the disorder in question and do not investigate a comparison group without the disorder
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information bias
bias based on researchers only studying variable already believed to be related to the phenomena in question
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investigator bias
bias based on the influence of the researchers expectations or preferences on the studys results
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prospective
research based on data that is collected as the events being studied are occuring, rather than recalling them retrospectively
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repression
a defense mechanism in which specific upsetting thoughts, feelings, or events are pushed out of consciousness
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splitting
a defense mechanism in which one views oneself or others as all-good or all-bad in order to ward off conflicted or ambivalent feelings
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identification
taking on the traits of someone else; sometimes used as a defense mechanism
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self-hypnosis
the ability to put oneself in a trance state; may contribute to dissociative disorders according to some experts
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schema-focused cognitive therapy
therapy for dissociative disorders that focuses on changing cognitive schemas that are based on traumatic childhood experiences
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cognitive schema
patterns of thought used to organize information
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hippocampus
a brain structure involved in the formation of memories
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amygdala
a brain structure which registers the emotional significance of the sensory signals and contributes to the expression of emotion
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narcosynthesis
the use of medication to promote therapeutic remembering; used during WWII to help soldiers remember forgotten traumatic incidents
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multi-modal
a treatment strategy that integrates a variety of theoretical perspectives
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