In social psychology, and in particular self-categorization theory, the term depersonalization has a different meaning and refers to the stereotypical perception of the self as an example of some defining social category.epersonalization is a symptom of anxiety disorders, such as panic disorder. It can also accompany sleep deprivation (often occurring when suffering from jet lag), migraine, epilepsy (especially temporal lobe epilepsy), obsessive-compulsive disorder, stress, anxiety. and in some cases of Low Latent Inhibition.