Practicing neuropsychologists and students in clinical neuropsychology must increas­ ingly cross disciplinary boundaries to understand and appreciate the neuroanatomical, neurophysiological, and neuropharmacological bases of cognition and behavior, cur­ rent cognitive theory in many different domains of functioning, and the nature and tools of clinical assessment. Although the cognitive functions and abilities of interest are often the same, each of these fields has grappled with them from sometimes very different perspectives. Terminology is often specific to a particular discipline or ap­ proach, methods are diverse, and the goals or outcomes of study or investigation are usually very different. This book poises itself to provide a largely missing