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9 Feb 2011
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Psychology II Lecture 14
Emotion
-relate to physical body condition that autonomic nervous system is responsible for
2 Branches
1) Sympathetic
-causes us to experience emotion
-take place in good and bad sensation
-prepare us and mobilize resources to fight or flee
-endocrine system is in charge of hormone secretion
James-Lange Theory
-most people thought it was fear that drives us run away, James and Lange propose something
different
-formulated in 1890
-see a bear, sense danger, run away automatically
-we adapt well to a situation that we run away without deep thinking
-after the physical action, fear is sensed
-fear is an after effect
-behaviour is adaptive, which is better than deliberate process (stop and think about the situation)
Schachter & Singer’s Two Component Theory
-body reacts the same way to happy and fearful situation because they involve the same actions
-reason why you feel happy or sad to an event because you attribute certain sensation to a feeling
subjectively
Le Doux’s Brain Pathways of Defense
-initiate response before we identify the situation
-when we sense a snake-like creature, information is sent to thalamus
-when it gets active, information is sent to medulla
-automatic arousal and hormone secretion are stimulated
-quick adaptive response
-visual cortex performs close, detailed identification process
final decision and careful processing of information are the last step of the analysis of the
event
Lie Detection
-polygraph can be used to test if a person is lying or not
-liar cannot control automatic behaviour because they fear they will be found out
-indicators include respiratory rate, pulse rate, blood pressure, resistance of skin
-resistance of skin is tested through wire attachment to left finger
resistance of skin is sweating, Galvonic skin response
Respiration
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Document Summary

Relate to physical body condition that autonomic nervous system is responsible for. Prepare us and mobilize resources to fight or flee. Endocrine system is in charge of hormone secretion. Most people thought it was fear that drives us run away, james and lange propose something different. See a bear, sense danger, run away automatically. We adapt well to a situation that we run away without deep thinking. Behaviour is adaptive, which is better than deliberate process (stop and think about the situation) Body reacts the same way to happy and fearful situation because they involve the same actions. Reason why you feel happy or sad to an event because you attribute certain sensation to a feeling subjectively. When we sense a snake-like creature, information is sent to thalamus. When it gets active, information is sent to medulla. final decision and careful processing of information are the last step of the analysis of the event.

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