Dissociation is the loss of the ability to access information normally in consciousness.
It is based on the mind's ability to engage in complex mental tasks outside of awareness. It appears to serve the purpose of avoiding or minimizing anxiety and life stress by removing responsibility through escape from one's own memory or identity. Diagnostic Categories Amnesia Fugue Depersonalization Disorder Dissociative Identity Disorder Amnesia - General Principles Refers to loss of recall. Is common in organic disorders, like head injury. Psychogenic Amnesia Amnesia in the absence of organic cause.