Robert E. Thayer, professor of psychology at California State University at Long Beach who earned his doctorate at the University of Rochester, will discuss how mood and behavior are affected by nutrition, stress, sleep, and exercise. The title of his talk is "How Do Moods Guide Behavior? Everyday Moods as Barometers of Body Functions."

He is the author of three books: Calm Energy: How People Regulate Mood with Food and Exercise (2001); The Origins of Everyday Mood (1996), and The Biopsychology of Mood and Arousal (1989). Thayer is currently studying circadian rhythms as a function of various individual differences, such as gender and age. His lecture is sponsored by the Department of Clinical and Social Sciences in Psychology. For more information, contact (585) 273-3245.