The thirteen chapters in this collection provide a detailed examination of visual perception and visual constancy. After a first chapter providing an historical overview of the field, the 11 central chapters present reports on current research from leading investigators. A final chapter brings into focus a variety of methodological, empirical, and…

This monograph offers information, suggestions, and proposals to teachers, students, and citizens to increase their understanding of the aging process in both its physical and psychosociological aspects. Part I, What Is Aging? examines various aspects of aging, some of its major characteristics, and what it is like to grow old in the U.S. today.…