<prompt> Rope mistaken for a snake, is an example ofIllusionPerceptionhallucinationSynaesthesia  <response>: ILLUSION altered perception of a real object Mistaking a rope for a snake there are some specific type of illusions PAREIDOLIC ILLUSIONvague stimulus like clouds are perceived as something known to the patient image of a dog Ref. kaplon and sadock synopsis of psychiatry 