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The flashcards below were created by user
maritza
on FreezingBlue Flashcards.
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Centralist theories
- propose CNS mechanisms for emotion
- peripheral arousal not essential for emotion
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centralist model of emotion
stimulus –> perception of stimulus –> activation of emotion brain centers –> arousal and facial expressions
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motivational states
shaped by evolutionary pressures
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function
- motivate certain adaptive behaviors
- ex. fear motivates escape
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Hohmann's Study - spinal cord injury studies
- results: in interview, ppl had decrease in anger, fear, sexual excitment
- exception: greater "sentiment" since injury (wept more)
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Conclusion to Hohmann's Study
Visceral feedback important for emotion
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Chwalisz, Cobos overall findings
spinal cord injury does NOT decrease emo. exp. compared to those who are disabled
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Beta Blocker studies
- drug given to heart patients because it reduces b.p. and h.r.
- block ANS arousal
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Bernadt study
- subject were shown snakes and spiders with beta blockers or a placebo
- results: no difference in distance to snakes and spiders (arousal not essential)
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James et al (1977) - Stage Fright studies
ppl felt less nervous and performed better on betta blockers
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Herley et al. (1983) - Public speaking
Results: taking betta blockers decreases self-rating of anxiousness and observers rating also noted decrease in anxiousness
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Conclusion to Stage Fright Studies
- beta blockers decreases emotion
- appears to support Schnachter and James-Lang theory
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Harris Hypothesis
- stage fright is a threat = physiological arousal
- remove the physio. arousal take away the threat which also takes away the fear
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Ax (1953) exp
Results: 7 of 14 measurements show difference btn anger and fear
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Schwartz et al (1981) exp
- Results: diff. emo = diff SNS patterns
- subtle differences
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Shwartz Hypothesis of Anger and Fear
- Diff. evolutionary fxn –> diff. SNS patterns (body is getting ready for those behaviors)
- anger:need muscle strength, min. bleeding
- fear:increase speed and endurance
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Overall summary of Stage fright and beta blocker studies
- arousal not necessary for emotion
- arousal may intensify emotion
- some emotions have diff. patterns of arousal (not as distinct as James imagined)
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