Dissociative disorders involve disruptions or breakdowns in memory, awareness, identity or perception. Dissociative symptoms include amnesia and feelings of detachment from oneself or one's surroundings. Dissociative disorders are often caused by trauma, especially childhood abuse. Treatment focuses on psychotherapy and managing symptoms. Amnesia specifically refers to the inability to recall important information, especially of a traumatic nature. Its causes include brain damage and it has no cure, only management of symptoms and quality of life. Depersonalization disorder involves persistent feelings of detachment from oneself and surroundings. Its causes are thought to be related to brain imbalances triggered by trauma. Treatment focuses on medications for associated symptoms and psychotherapy.