Caffeine and Activation Theory

Barry Smith is professor of psychology and director of the Laboratory of Human Psychophysiology at the University of Maryland, College Park, Maryland, where he has also served as acting chair of the department, associate chair, and director of graduate studies. He received his B.S. degree at Pennsylvania State University and his Ph.D. at the University of Massachusetts at Amherst. He has authored or edited nine books and numerous journal articles and book chapters and served on review panels and study sections at the National Science Foundation, the Office of Naval Research, and the National Aeronautics and Space Administration. Dr. Smith has been a consulting or associate editor for a number of journals. His interests are centered in the field of arousal, where he has developed and tested his own theory. This work has included numerous studies of the effects of caffeine on neurophysiological and cardiovascular functioning, as well as cognition, emotion, personality, and behavior. Uma Gupta is a research scientist in the Department of Basic Principles, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India. She received her M.A., M.Phil., and Ph.D. degrees in psychology from Meerut University, Meerut, India. She has completed a number of research projects sponsored by the Indian Council of Social Science Research and the University Grants Commission, New Delhi. She has coedited three books: Advances in Psychopharmacology, Neuropsychology & Psychiatry , Readings in Environmental Toxicology and Social Ecology , and Caffeine and Behavior: Current Views and Research Trends . Dr. Gupta has coauthored one book, Psycho-educative Dynamics of Indian Classical Music , and published numerous research articles and book chapters. She is the coeditor of Pharmachopsychoecologia . Her research currently focuses on behavioral (especially in cognitive and affective domains) effects of caffeine intake, caffeinism, psychodynamics of music, music therapy, and environme