Emotion

Emotion: response of the whole organism
-psysiological arousal
-expressive behaviors
-conscious experience

James Lange theory of emotion: experience of emotion is awareness if physiological response to emotion arousing stimuli

Cannon-bard theory of emotion: emotion arousing stimuli
simultaneously trigger:

• physiological responses 
• subjective experience of emotion

Schachter's two factor theory: to experience emotion one must:

• be physically aroused
• cognitively label the arousal

Polygraph: machine commonly used in attempts to detect lies

• measures several of the physiological responses accompanying emotion 
• perspiration
• cardiovascular
• breathing changes

Catharsis:

• emotional release
• hypothesis
• "releasing aggressive energy (through action or fantasy) relieves aggressive urges

Feel good, do good phenomenon: tendency to be helpful when already in a good mood

Adaptation level phenomenon: tendency to form judgments relative to a "neutral" level 

• brightness of lights 
• volume of sound
• level of income
• defined by our prior experience

Relative deprivation: perception that one is worse off relative to those with whom one compared oneself