Buy Now. You are about to leave the Allegra.com Web site. Links to Web sites that are not under the control of Chattem are provided for convenience of reference only and are not intended as an endorsement by Chattem of the organization or a warranty of any type regarding the information on the Web site.
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.
Four Main Perspectives in Psychology. There are four main perspectives in psychology. These are known as; behaviourism, humanism, psychodynamic and cognitive. Each of them explain some aspects of human behaviour well, but one perspective cannot explain all human behaviour.