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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.
Defining Biological Psychology. Alternative names of biopsychology, such as behavioral neuroscience and physiological biology, indicate a preliminary definition. Researchers in this field examine not only how biology - particularly the nervous system - affects behavior, but also how behaviors affect the brain.