PSY B110 Lecture Notes - Lecture 4: Reticular Formation, Sympathetic Nervous System, Cerebral Cortex
2 Nov 2016
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Motivation: the forces that activate and direct behavior. Emotion: a complex internal state that involves physiological, cognitive, and behavioral components. Instincts: evolutionary psychology: seeks to explain behavior in terms of its function, unlearned behaviors: implied by the idea of instincts. Two ways in which to demonstrate that behaviors might be unlearned: They are apparent from a very early age onwards. Drives: drive is a central concept in motivation. Seems to provide answers to why people and animals do the things they do. Internal forces that provide us with the energy and intensity we may need to regain homeostasis: drive reduction: feeling better after you begin to reduce the need. A dri(cid:448)e or a (cid:862)push(cid:863) fro(cid:373) i(cid:374)side the person that can be used to explain motivated behaviors. Arousal: the level of alertness or sleepiness we feel at any given moment: reticular formation: reticular activating system; lies in your brain stem.
