Derealization Health Dictionary

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Derealization: From 2 Different Sources

Feeling that the world has become unreal.

It usually occurs together with depersonalization and may be caused by fatigue, hallucinogenic drugs, or disordered brain function.

Health Source: BMA Medical Dictionary
Author: The British Medical Association
n. a feeling of unreality in which the environment is experienced as unreal and as flat, dull, or strange. The experience is unwelcome and often frightening. It occurs in association with *depersonalization or with the conditions that cause depersonalization, for example schizophrenia, anxiety, depression, or *dissociative disorder.
Health Source: Oxford | Concise Colour Medical Dictionary
Author: Jonathan Law, Elizabeth Martin

Depersonalization

A state of feeling unreal, in which there is a sense of detachment from self and surroundings.

Depersonalization is often accompanied by derealization.

It is rarely serious and usually comes on suddenly and may last for moments or for hours.

Depersonalization most often occurs in people with anxiety disorders.

Other causes include drugs and temporal lobe epilepsy.... depersonalization

Panic Attack

A brief period of acute anxiety, often dominated by an intense fear of dying or losing one’s reason. Attacks are unpredictable at first, but tend to become associated with specific situations, such as a cramped lift.

Symptoms (a sense of breathing difficulty, chest pains, palpitations, feeling light-headed, dizziness, sweating, trembling, and faintness) begin suddenly. Hyperventilation often occurs, causing a pins-and-needles feeling, and feelings of depersonalization and derealization. The attacks end quickly.

Panic attacks are generally a feature of an anxiety disorder, agoraphobia, or other phobias. In some cases, such attacks are part of a somatization disorder or schizophrenia. Behaviour therapy and relaxation exercises may be used in treatment of this condition.... panic attack

Flashback

n. 1. vivid involuntary reliving of the perceptual abnormalities experienced during a previous episode of drug intoxication, including *hallucinations and *derealization, most commonly experienced with LSD. 2. a symptom of *post-traumatic stress disorder characterized by the reliving of a traumatic experience.... flashback

Out-of-body Experience

a form of *derealization in which there is a sensation of leaving one’s body, sometimes accompanied by visions of travel. It typically occurs after anaesthesia or severe illness and is often attributed to *anoxia of the brain.... out-of-body experience

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