Which of the following is true about hallucinations?

Ans. D. False perception in absence of stimulusTermDefinitionHallucinationPerception that occurs in the absence of stimulus.IllusionMisinterpretation of stimuli arising from external objects.DelusionFalse but firm belief in something that is not true ORFalse unshakable belief, which is not amenable to reasoning and is not keeping with the patients, socio-culture, and educational background.DeliriumIs an acute confusional state characterized by alteration in consciousness orientation and perception.Auditory Hallucinations are of 3 types:* Audible thoughts (Voice speaking out thought aloud or thought echo)* Voices heard arguing (two or more hallucinatory voices discussing the subject in 3rd person).* Voices commenting on one's action.