This document provides an introduction to psychology. It defines psychology as the scientific study of cognition, behavior, and emotions. It discusses how psychology relates to art, noting that art involves creative thinking, expression of emotions, and evoking of emotional reactions in others. Understanding human emotions and cognition can help artists create more engaging and meaningful works. The document then delves deeper into the scientific process in psychology and some of the major theories and approaches, including psychoanalysis, behaviorism, and humanism. It also distinguishes between the roles of psychologists and psychiatrists.