<prompt> All of the following are formal thought disorder EXCEPT: March 2013 b, c, hSchizophreniaDelusionLoosening of associationMania  <response>: Ans. B i.e. Delusion Delusion is a disorder of thought content NOT a formal thought disorderdisorder of thought process Delusion Disorder of thought; False unshaken belief not amenable to reasoning Hallucination Disorder of perception; Perception in the absence of external stimuli; Not dependent of will of observer Illusion Misinterpretation of external stimuli 