A feeling of estrangement or detachment from one’s environment. May be accompanied by depersonalization.
Loss of the sense that surroundings are real. It is present in several psychological disorders, e.g., panic disorder, depersonalization, and schizophrenia.
The perception that the environment is unreal. The individual feels separated from the surroundings, as if he or she were watching a movie. Derealization differs from depersonalization, in which the individual perceives himself or herself as unreal.
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.
A sense that reality has changed; a sense of detachment from one’s surroundings.
A dissociative symptom referred to as derealization involves the perception of the external environment as unreal or resembling a dream-like state.
Experiencing a sense of unreality in the world is commonly associated with depersonalization and can be attributed to factors such as fatigue, the use of hallucinogenic drugs, or irregular brain functioning.