The document discusses several theories of motivation including drive theory, arousal theory, and humanistic theories. It also discusses theories of emotion including the James-Lange theory, Cannon's challenge, the two-factor theory, and cognitive-mediational theory. Motivation is influenced by both internal drives and external incentives and is aimed at maintaining homeostasis or an optimal level of arousal. Emotions involve physiological arousal, cognitive appraisal, and are expressed through facial expressions.