<prompt> Derealisation and depersonalisation seen in which type of disorderDissociative disorderPersonality disorderManiaDepression  <response>: Depersonalisation: an altered sense of ones physical being, including feeling that one is outside of ones own body, physically cut off or distanced from people, floating, observing oneself from distance, as though in a dream. Derealisation: experiencing the environment as unreal or distoed. These are seen in Dissociative disorders. Ref: Synopsis of Psychiatry, 11e, pg 295. 