This document discusses emotions, motivations, drive states, and motivation theories. It defines affect, emotions, and motivations, and describes the experience and communication of emotions. It discusses primary and secondary emotions, as well as theories of emotion. Drive states like hunger and sexual arousal are explored. Motivation is defined and different types of motivation including intrinsic, extrinsic, positive, and negative motivation are discussed. Herzberg's two-factor theory of motivation is also summarized.