Grant Clay Period 3 8/26/08 AP Psychology Outline Chapter 1: The Evolution of Psychology Red ? Definition of Key Terms Green ? Important People & Contributions Blue ? Important Points How Psychology Developed Psychology ? The Scientific Study of Behavior and Mental Processes. Mental Processes = Physiological and Cognitive Processes. Psychology comes from two Greek words. ?Psyche? = Soul, and ?Logos? = the Study of a Subject Psychology became a Scientific Discipline In 1870?s The Contributions of Wundt and Hall Philosophy + Physiology = Psychology Wilhelm Wundt German Professor. Campaigned to make Psychology an independent Scientific Discipline. Established first Psychology Laboratory in 1879 at the University of Leipzig.