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10 Cards in this Set
- Front
- Back
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hemisphere/ contralaterality
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right hemiSPHERE dominant in emotion expression production so...
Left hemiFACE expresses more emotion |
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perception
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expression READ/perceived more readily on Right hemiFACE
(on left visual field..goes into right hemisphere) true for chimeric and mirror images |
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bias in expressions
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so, left hemiFACE more pronounced than right
deception and nonverbal accents leak more on left hemiface more assymetrical: negative and intended facial expressions |
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emotion asymmetries
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positive emotion associated with greater left hemispheric activation (reward-related dopamine)
negative emotion with right hemispheric activation (vigilence/arousal norephinephrine) |
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valence/motivation confound
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left frontal= positive, approach
right frontal=negative, withdrawl perfectly confounded, except for anger |
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anger
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negative emotion, but approach
if left lateralized, supports approach-avoidance (yes) if right lateralized, supports positive-negative valence |
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buddhist monks
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train self to be more left lateralized; compassion meditation
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high road/low road
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low road=direct from thalamux to amygdala (right), see world we don't
high road=thalamus to visual cortex to amygdala (left), more of world presented at conscious level |
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fMRI supraliminal
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conscious anger and fear perception
top-down (hi road) processing of threat (ambiguous), left lateralized more amygdala activation for ambiguous threat |
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fMRI subliminal
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nonconscious
bottom-up processing of threat, more attuned to clear threat, right lateralized |
