Psychologists who try to directly change thinking patterns that lead to troublesome emotions or behaviors are the threapists.

Cognitive therapists

Explanation:

A Cognitive therapist is a psychologist that makes use of cognitive therapy for the treatment of psychological disorders and problems. Such therapist helps to manage a patient's problem by changing the behavior or thinking pattern.

Cognitive therapy is a form of therapy that focuses on an individual's  thinking patterns, communication and behavior to solve problems instead of the use of previous experiences. It focuses on changing the way an individual behaves or thinks in solving problems like fear, depression, anger etc.

answer; the automatic system because it is a "gut reactor"