Unformatted text preview: optimal level of arousal. Too little or too much arousal will result in less desired behavior. External objects motivate behavior. Incentives pull you in certain directions Ghrelin is the chemical from the stomach which makes you hungry....
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This note was uploaded on 03/23/2011 for the course PSYCHOLOGY 1 taught by Professor Staff during the Winter '09 term at UC Davis.
- Winter '09