Approaches to the understanding of the mind and behavior of humans and animals. Emphasis in the text is on the current state of knowledge and in the lectures on the process of discovery and critical thinking. Topics covered include explaining behavior and mind, the scientific approach, brain and behavior, dreams and psychoanalysis, learning, sensation and perception, memory, thinking, appetite, interpersonal interaction and cultural influences on behavior and mind. NOTE: Dr. Rozin's Psychology 1 meets an extra hour (4 hours total) each week because it includes an in-class "lab. All students must apply to the instructor at rozin@psych.upenn.edu to be admitted into the course.