server with respect to one’s thoughts, feelings, sensations, body, or actions (e.g.,
perceptual alterations, distorted sense of time, unreal or absent self, emotional and/
or physical numbing).
2.Derealization:  Experiences of unreality or detachment with respect to surround-
ings (e.g., individuals or objects are ex perienced as unreal, dreamlike, foggy, life-
less, or visually distorted).
B. During the depersonalization or derealization experiences, reality testing remains intact.
C. The symptoms cause clinically significant distress or impairment in social, occupa-
tional, or other important areas of functioning.
D. The disturbance is not attributable to the physiological effects of a substance (e.g., a
drug of abuse, medication) or another medical condition (e.g., seizures).
E. The disturbance is not better explained by another mental disorder, such as schizo-
phrenia, panic disorder, major depressive di sorder, acute stress disorder, posttrau-
matic stress disorder, or another dissociative disorder.
Diagnostic Features
The essential features of depe rsonalization/derealization diso rder are persistent or recur-
rent episodes of depersonalization, derealization, or both. Episodes of depersonalization
are characterized by a feeling of unreality or detachment from, or unfamiliarity with, one’s
whole self or from aspects of the self (Cri terion A1). The indivi dual may feel detached
from his or her entire being (e.g., “I am no on e,” “I have no self”). He or she may also feel
subjectively detached from aspects of the self , including feelings (e.g., hypoemotionality: