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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.
Cognitive psychology focuses on the way humans process information, looking at how we treat information that comes in to the person (what behaviorists would call stimuli), and how this treatment leads to responses.he cognitive perspective applies a nomothetic approach to discover human cognitive processes, but have also adopted idiographic techniques through using case studies (e.g. KF, HM). Cognitive psychology is also a reductionist approach.