textbook definition of psychology
Psychology is an academic and applied discipline involving the scientific study of mental processes and behavior. Psychology also refers to the application of such knowledge to various spheres of human activity, including relating to individuals' daily lives and the treatment of mental illness.
A Student of Psychology: A Walk Through the Human Mind. Psychology is the study of the mind and behavior. American Psychological Association (2013), the discipline embraces all aspects of the human experience â from the functions of the brain to the actions of nations, from child development to care for the aged (para.