It has occurred to Gerald that with his bachelor’s degree in psychology he is going to make a scientific discovery that will change the way the modern world views the etiology of schizophrenia. During one of his three-day periods of “extreme cognitive productivity,” Gerald produced a journal article on his thesis, purchased 10 pairs of pants from the shopping channel, and operated on less than 4 hours of sleep per night. Which of the following would best describe Gerald’s behavior

A) Dysthymic episode
B) Depressive episode
C) Manic episode
D) Bipolar episode