A pediatric neuropsychologist is a doctoral level psychologist with specialized training in brain-behavior relationships. The pediatric neuropsychologist uses standardized tests and observes behavior to define a child's pattern of cognitive development. The child's performance is compared to what is expected at the child's age-level. The child's individual pattern of strengths and weaknesses is defined based on this comparison. The pediatric neuropsychologist uses knowledge of brain development, brain organization, and the effects of various forms of brain pathology on development to guide this assessment and to interpret the results.