Delusion is a disorder of: September 2011: (A) Stream of thought, (B) Form of thought, (C) Content of thought, (D) Possession of thought
Answer is C. Ans. C: Content of thoughtIn clinical examination, "thought" is assessed mainly under 2 headings of stream and form and content of thought. In Content of thought, one looks for any preoccupations such as obsessions, contents of phobias, delusions etc. Terminology in psychiatry:Illusion: Misinterpretation of stimuli arising from external objectHallucination: Perception without stimuliDelusion: False unshakeable belief not amenable to reasoningDelusion:Disorder of thoughtNihilistic delusion: DepressionDelusion of grandeur: ManiaParanoid delusion and delusion of reference: Schizophrenia