This book provides a basic reference source on the behavioral processes of aging for researchers, graduate students, and professionals. It also provides perspectives on the behavioral science of aging for researchers and professionals from other disciplines. New topics to the eighth edition include preclinical neuropathology, audition and language comprehension in adult aging, cognitive interventions and neural processes, social interrelations, age differences in the connection of mood and cognition, cross-cultural issues, financial decision-making and capacity, technology, gaming, social networking, and more.