This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': 'Psychogenic amnesia is characterized by -a) Antegrade amnesiab) Retrograde amnesiac) Both with confabulationd) Patchy impairment of personal memories \nSelect and explain. \nA. c, B. d, C. bd, D. ac', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dissociative amnesia is characterized by retrograde amnesia. There is inability to recall personal events during circumscribed period which creates gaps in the individuals personal memory (Patchy memory loss).', 'role': 'assistant'}]