<prompt> Which of the following statements differentiates the obsessional idea from delusions :The idea is not a conventional beliefThe idea is held inspite of contrary evidenceThe idea is regarded as senseless by patientThe idea is held on inadequate ground  <response>: Insight is present in OCD and the patient recognizes the thought as irrational and absurd senseless. While, insight is absent for delusions and patient does not recognize the thought as irrational. 