Depersonalization Depersonalization is an alteration of perception or experience of oneself so that one feels “separated” from the mental processes or body, as if you were an outsider to them. can be considered desirable , for example in the recreational use of psychotropic drugs, but more usually refers to the severe form found in anxiety or in the most severe panic attacks. A person suffering from depersonalization and feel you have changed the world has become less real, vague, dreamy or meaningless. Can sometimes be a rather disturbing experience, while many feel that it “living in a dream.” The term “chronic depersonalization” refers to depersonalization disorder, which is classified in DSM-IV as a dissociative disorder.The term “derealization” is similar and often used interchangeably, but more specifically, the derealization is feeling that nothing is real, while depersonalization is the feeling that one is “removed” from your body or world. Although these feelings can happen to anyone, are most prominent in anxiety disorders, clinical depression, bipolar disorder, sleep deprivation and certain types of epilepsy.