Dissociation
Overview
Dissociation is an altered state of consciousness
Altered state of consciousness
An altered state of consciousness , also named altered state of mind, is any condition which is significantly different from a normal waking beta wave state. The expression was used as early as 1966 by Arnold M. Ludwig and brought into common usage from 1969 by Charles Tart: it describes induced...

 characterized by partial or complete disruption of the normal integration of a person’s normal conscious or psychological functioning. Dissociation is most commonly experienced as a subjective perception of one's consciousness being detached from one's emotions, body and/or immediate surroundings. Van der Kolk et al. describe dissociation as a "compartmentalization of experience." Under normal conditions, consciousness, memory, emotions, sensory awareness, affect, etc., are integrated; with dissociation, in contrast, these traits are discretely compartmentalized to greater or lesser degrees.

Dissociation describes a wide array of experiences that can affect any aspect of a person’s mental functioning.
 
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