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PSYC18H3 (300)
Lecture 3

PSYC18H3 Lecture Notes - Lecture 3: Natural Selection 2, Emotion Classification, Exaptation

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Rimma Teper

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Lecture 3
Do expressions inflience emotions?
Descartes - expressions emotion in a physical way can cause a change of heart
Differentiating Models of Emotion
three common models (theories) of emotion
1. Basic emotions
emotions are biologically determined
emotions have consistent patterns of expression that are universal
automatic processes elicit specific bodily activations = specific emotional expression
2. Appraisal theories of emotions
cognitive appraisal is important in producing emotion
each emotion has a unique behavioural output
cognitive appraisal sets off specific bodily activations = specific emotional expression
3. Constructionism
no predetermined behavioral, expressive, or bodily response that is specific to any one
emotions are socially and cognitive constructed
emotional expression does not necessarily represent any ONE emotion
natural kinds = basic
unique physiological signatures
feeling should be selected or evolutionarily adaptive
must originate in the subcortical regions of the brain
How Basic Emotions Operate
Step 1 - automatic appraisal mechanism detects elicitors
fast and unconscious
Step 2 - neuromotor affect programme sets in motion elements of emotion system
hard to stop once in motion, involuntary
Two-Stage Model of Evolved Emotional Expression
1. Adaptation
physiological function
a feature that evolves due to the process of natural selection
2. Exaptation
communicative function
a process in which this feature acquires a function that was not acquired through natural
3. Ritualization
process by which a trait or feature becomes exaggerated
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