Neuropsychology is a branch of psychology that is concerned with how the brain and the rest of the nervous system influence a person's cognition and behaviors. ... The term neuropsychology has been applied to lesion studies in humans and animals.

 

Neuropsychology is a discipline that focuses on the complex relationship between the brain and behavior. Through close observation of patients and the administration of standardized tests, neuropsychologists describe and quantify the cognitive and behavioral manifestations of brain dysfunction.