Before enrolling in an abnormal psychology course, Gary's idea of psychological disorders had been influenced primarily by talk shows. He expected to hear the same kinds of stories he had heard on talk shows.

What an eye-opening experience the course turned out to be! How would a cognitive psychologist describe the influence the course had on Gary's idea of psychological disorders?
a. Gary learned the value of algorithms.
b. Gary now uses heuristics.
c. The course increased Gary's ability to use visual imagery.
d. The course altered Gary's concept of psychological disorders.
e. Gary is using creativity.