Module 40 - Introduction to Emotion Flashcards
What are emotions?
- emotions are conscious experiences that are expressed in response to biologically significant stimuli (life threatening or promoting)
- thoughts and feelings
What is the purpose of emotions?
- produce action
- highly adaptive
3 components of emotions
- Physiological Arousal
- Expressive Behaviour
- Experienced change in consciousness (thinking and feeling)
James-Lange Theory of Emotion
- when exposed to an emotion provoking stimulus there is a bodily response and arousal
- conscious experience(feeling) we have is a results from out behaviour and physiological response
- theory assumes there is a unique pattern of responses for each experienced feeling
Cannon-Bard Theory
- argues experienced feeling and the physiological response occur simultaneously
- also thought some physiological responses were too slow
- brain simultaneously directs information to cortex(conscious experience) and to sympathetic nervous system (arousal)
Implausible
Thought body responses were not distinct enough to evoke different emotions (feelings)
Schachter and Singer Two-Factor Theory
- emotions involves arousal (non-specific) and cognitive label
- agreed with Cannon-Bard: isn’t a separate pattern physiological responses for each emotion
- agreed with James-Lange: particular experience (feeling) requires awareness of the arousal and cognitive interpretation
Oder of events
General Arousal > Thinking (cognitive appraisal) > Particular Feeling
Do different emotions have distinct physiological patterns? (negative evidence)
- recordings of the body fail to determine different emotions (anger, fear, sexual)
- heat rate
- breathing rate (respiration)
- Galvanic Skin Response (respiration)
Lie Detectors (evidence against specific response)
Measures: heart rate, galvanic skin response. breathing rate
Procedures: control questions asked to establish baseline
Problem: assumes arousal is specific to lying
Do different emotions have distinct physiological patterns? (positive evidence)
- facial expressions vary with emotions, muscles in face change due to the type of emotion
- temperature of finger tips shown to distinguish joy and fear
Brain Circuits (vary with emotions)
- amygdala selectively activated when expressing fear not anger (face)
- frontal cortex:
1. negative emotions in right (disgust); positive in left (happy/joy), depressed and negative personality types show more activity in right - left cortex rewards area of brain
Is awareness of bodily responses necessary for feeling of emotion?
High spinal cord injury: reported decrease in emotion
Low spinal cord injury: reported little change in emotion
Support of Cannon-Bard
Lie detector fail to distinguish emotion
Support of James-Lange
- peripheral differences for different emotion (fingertips)
- detection of peripheral arousal is perceived feeling (spinal cord)