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The biological approach to psychology, also known as neuropsychology, is one of many approaches used to explain human mental processes and behavior. Neuropsychologists are psychologists that examine mental processes and behavior using a biological approach.
5 Major Perspectives in Psychology. Psychology is the scientific study of how we think, feel and behave. In this lesson, you'll get an overview of the five major perspectives that have guided modern psychological research. Why do you act the way you do? Have you ever wondered why some people are the life of the party and others prefer to curl up with a good book?