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Psych 261 Chapter 12 Psych 261 Physiological Psychology Kalat: Biological Psychology 10th Edition Chapter 12

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James Danckert

Psych 261 Chapter 12 Emotional Behaviours peoples definition of emotion is a conscious feeling thats unobservable thus scientists focus on emotional behaviours that are observable Module 121 What is emotion emotion 3 components cognition feelings and actions where feelings are most central ex you can have cognition and action but feeling is the necessary aspect Emotions autonomic arousal and the JamesLange theory emotion leads to increased autonomic NS activity ex A mix of sympathetic fight v flight and parasympathetic activity JamesLange theory emotional events lead to cognition to action to feelings thus the behavior causes feeling if true then decreased autonomicskeletal response leads to decreased emotionand increased response leads to increased emotion Is physiological arousal necessary for emotions ex Paralyzed people feel emotion just as well as before their paralysis but paralysis doesnt affect ANS so they still have emotion input from that ex Pure autonomic failure ANS cant regulate responses BP etcpeople with PAF still have same emotions as others but report less emotional response Is physiological arousal sufficient for emotions if you increase sympathetic response without one having an explanation such as exerciseleads to the person attributing it to emotion ex fear ex Increased breathing leads to a panic attack repeated panic attacksworry over anotherdisorder Study found smiling sensation increased happiness frowning sensation decrease happiness ex mobius syndrome unable to move facial muscles to form a smile but still experience happiness Brain Areas associated with Emotion some brain areas activate some emotions more strongly Attempts to localize specific emotions limbic system critical part of emotions frontal and temporal cortices also play role insular cortex shows increased activation with disgust emotion but also associated with taste fright other emotions activate various parts of the brain not centralized Contributions of the left and right hemispheres left associated with behavioural activation system BASlow to moderate autonomic arousal and approach tendency ex Happiness anger right associated with behavioural inhibition system BISincreased attention arousal decreased action increased activity in fear and disgust emotions increased left hemisphere activity associated with outgoing happier increased right hemisphere activity associated with sadder people but also right hemisphere people are more response to emotional stimuli expressions The Functions of Emotions clear function for some emotions ex For fear flight and anger fight others are more ambiguous idea emotions are a useful guide to making quick decisions ex Gut feeling Emotions and moral decisions
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