This document provides an overview of neuropsychology, including its key areas and cognitive functions assessed. It discusses the two main areas of neuropsychology - clinical neuropsychology which deals with patients with brain lesions, and experimental neuropsychology which studies healthy subjects in laboratory settings. It also outlines several important cognitive functions assessed in neuropsychology like attention, motor skills, language, learning and memory, and visual perception. For each function it provides details on what it involves and which brain areas are implicated. The goal of neuropsychological assessment is to understand the relationship between brain and behavior.