<unk>  (DPDR, DPD) is a mental disorder in which the person has persistent or recurrent feelings of<unk>  or<unk> .<unk>  is described as feeling disconnected or detached from one's self. Individuals may report feeling as if they are an outside observer of their own thoughts or body, and often report feeling a loss of control over their thoughts or actions.<unk>  is described as detachment from one's surroundings. Individuals experiencing<unk>  may report perceiving the world around them as foggy, dreamlike/surreal, or visually distorted.<unk>  is thought to be caused largely by interpersonal trauma such as childhood abuse. Adverse early childhood experiences, specifically emotional abuse and neglect have been linked to the development of<unk>  symptoms. Triggers may include significant stress, panic attacks, and drug use. Those who do have this disorder could be in a depersonalized state for as long as a regular panic attack lasts. However, in some certain situations this state of mind could last either hours, days, and possibly even weeks at a time. Diagnostic criteria for<unk>  includes persistent or recurrent feelings of detachment from one's mental or bodily processes or from one's surroundings. A diagnosis is made when the dissociation is persistent and interferes with the social or occupational functions of daily life. While<unk>  was once considered rare, lifetime experiences with it occur in about 1–2% of the general population. The chronic form of the disorder has a reported prevalence of 0.8 to 1.9%. While brief episodes of<unk>  or<unk>  can be common in the general population, the disorder is only diagnosed when these symptoms cause substantial distress or impair social, occupational, or other important areas of functioning.
Depersonalization-derealization disorder
Transference neurosis
Psychopathy
Dissociative identity disorder
Dissociative disorder
Gemütlose psychopathy
Other specified dissociative disorder
Unitary psychosis