8 Basic Psychology Facts You Need to Know. Psychology is a source of fascination for many people, and for good reason. By learning more about the basics of the human mind and behavior , people are able to gain a greater understanding of themselves and others. Psychologists also play a vital role in the health care system by helping individuals experiencing mental health issues, performing psychotherapy, investigating different treatment options, and teaching patients how to manage their symptoms effectively. What are some reasons why you might want to learn more about psychology? For some this interest is fueled by a desire to pursue a career in psychology. Others may simply want to learn more out of curiosity or because they are thinking about consulting a psychologist for help with a health concern. No matter what the reason, building a better understanding of topics such as emotion, motivation, cognition, love, communication, and research methods will serve you well in