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Arousal
- a variety of processes (cortical, behavioural, and autonomic) that govern alertness, wakefulness, and activation
- mostly a function of how stimulating the environment is
- people engage in behaviour to increase or decrease their levels
- inverted-u curve
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Underarousal
- seek increases
- increases in environmental stimulation are pleasurable and enhance performance
- decreases are aversive and undermine performance
- boredom
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Overarousal
- seek decreases
- increases in environmental stimulation are aversive and undermine performance
- decreases are pleasurable and enhance performance
- stress
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Baseline Level of Arousal
how aroused a person is whiteout external stimulation
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Sensation Seeking
- personality characteristic
- prefers a continual external supply of brain stimulation, becomes bored with routine, and is continually in search of ways to increases arousal through exciting experiences
- willingness to accept risks for the sake of such experiences
- low levels of MOA and therefore relatively high levels of dopamine and seratonin
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Affect-intense
- experience emotions strongly
- show emotional reactivity and variability across many different emotion-eliciting situations
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Affect-stable
- experience emotions mildly
- show minor fluctuations in emotional reactions from moment to moment and day to day
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Extroversion
- look for lots of people and stimulation
- chronically underaroused
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Introversion
- look for quiet times and are happy to stay home
- chronically overaroused
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