PS102 Lecture Notes - Lecture 20: Parasympathetic Nervous System, Nucleus Accumbens, Sympathetic Nervous System
Document Summary
March 7, 2017: motivation: determines stimuli, emotions: increase salience, promote action. Primary and secondary drives: primary drives (instinct and drive reduction theories, hunger, thirst, unlearned motives to satisfy biological needs, secondary drives (dr theories, need for achievement, need to affiliation, develop through learning and experience. Drive-reduction theory: physiological/psychological/emotional need, = homeostasis (stable internal equilibrium, drive decreased need, 1. Biological need occurs (body is dehydrated need: 2. Need gives rise to drive (drive thirsty for water: 3. Organism motivated to satisfy drive (goal-directed behaviour action: 4. Drive reduced (need satisfied thirst, hunger, relieved: 5. Balance restored (homeostasis state of biological equilibrium) taken) Homeostasis: how does homeostasis work, autonomic nervous system, sympathetic, parasympathetic, hypothalamus, governs or controls nervous system. Arousal theory: people are motivated to maintain an optimal level of arousal, optimal level is different for all of us. Yerkes-dodson law: performance on task is best when arousal level is optimal for that specific task.
