A psychiatric term describing the process whereby an individual separates his or her ideas and thoughts from consciousness, thus allowing them to function independently. The result may be that the individual holds contrary views on the same subject.
n. (in psychiatry) the process whereby thoughts and ideas can be split off from consciousness and may function independently, thus (for example) allowing conflicting opinions to be held at the same time about the same object. Dissociation may be the main factor in cases of dissociative *fugue and multiple personalities.
n. a state in which a person feels him- or herself becoming unreal or strangely altered, or feels that the mind is becoming separated from the body. Minor degrees of this feeling are common in normal people under stress. Severe feelings of depersonalization occur in *anxiety disorder, in states of *dissociation, in depression and schizophrenia, and in epilepsy (particularly temporal-lobe epilepsy). See also derealization; out-of-body experience.... depersonalization
n. a now obsolete name for a *neurosis characterized by emotional instability, repression, dissociation, some physical symptoms (see hysterical), and vulnerability to suggestion. Two types were recognized: conversion hysteria, now known as *conversion disorder; and dissociative hysteria, comprising a group of conditions now generally regarded as *dissociative disorders.... hysteria
(electromechanical dissociation) the appearance of normal-looking complexes on the electrocardiogram that are, however, associated with a state of *cardiac arrest. It is usually caused by large pulmonary emboli (see pulmonary embolism), *cardiac tamponade, tension *pneumothorax, severe disturbance of body salt levels, severe haemorrhage, or hypothermia causing severe lack of oxygen to the heart muscle.... pulseless electrical activity