Thoroughly revised and expanded, this accessible single-volume reference features a foreword by an expert in neuropsychology and will serve lay readers and medical professionals alike. More than 600 clear, concise entries explore such topics as the anatomy of the brain; the role of the brain in the central nervous system; how thoughts, feelings, and memories develop; the effects of brain injuries; and the impact of major brain diseases. The glossary, bibliography, and appendixes have also been thoroughly revised.