In this volume of the series Human Brain Function: Assessment and Rehabilitation we cover the area of how brain function is assessed with behavioral or neuropsycholog- ical instruments. These assessments are typically conducted by clinical neuropsy- chologists or behavioral neurologists, and so we made an effort to present the somewhat differing approaches to these two related disciplines. Clinical neuropsy- chologists are psychologists who typically utilize standardized tests, while behav- ioral neurologists are physicians who generally assess brain function as part of the clinical...