<prompt> A 16 year old girl who was sexually abused has no recollection for the event and is not able to remember anything despite her best effos. What is the diagnosis-DementiaDissociative amnesiaFactitious disorderMalingering  <response>: Avoidance and dissociative symptoms, such as difficulty in recalling the events at will, detachment, an inability to feel emotion numbness, and a diminished interest in activities. There is avoidance of reminders of the events and sometimes there is depersonalization and derealization. 