Answer:dissociative disorder.
Explanation:Dissociative disorders (DD) are conditions that involve disruptions or breakdowns of memory, awareness, identity, or perception. People with dissociative disorders use dissociation as a defense mechanism, pathologically and involuntarily.
Dissociative symptoms can potentially disrupt every area of mental functioning. Examples of dissociative symptoms include the experience of detachment or feeling as if one is outside one's body, and loss of memory or amnesia. ... Dissociative identity disorder. Dissociative amnesia. Depersonalization/derealization disorder.