A 31yo single man lives with his mother. He usually drives to work. He always thinks when the
traffic lights change, his mother is calling him, so he drives back home. What is the dx?
a. OCD
b. GAD
c. Schizophrenia
d. Bipolar
e. Cyclothymia
Ans. The key is C. Schizophrenia. [ delusion of reference - he thinks that the changing traffic lights are giving message to him].