This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Basics of Psychiatry, Subject name: Psychiatry
Preception of object without external stimulus called ? 
Select and explain. 
A. Delusion, B. Superstition, C. Illusion, D. Hallucination
D: Hallucination
Answer: D: Hallucination 
Explanation: Hallucination -False perception which occurs in the absence of any real object / stimulus. Hallucination are as vivid as a real preception . vivid - > detailed /clarity Superstition - a false belief which is unexplained by reality and is shared by a number of people. Delusions - disorder of content of thoughts which is firm ,false , unshakable(despite continuous evidence against it) and is not explained by socio cultural background of patient.