The major feature of the catatonic type of schizophrenia is a set of systematized delusions concerning either persecution or grandeur

Nick is admitted to a mental institution because he hears voices talking to him that no one else can hear, and he sees demons attacking him, though no one else could see anything near him. Nick's symptoms are known as

a. delusions. b. hallucinations. c. obsessions. d. compulsions. e. syllogisms.

Clarence was in a car accident, and the doctor suspects that

he may have suffered damage to his brain. He is put in a chamber with a strong magnetic field that will yield a three-dimensional picture of Clarence's brain. Which technique is being utilized? a. EEG b. MRI c. PET d. CT