Psychology 1000 Lecture Notes - Lecture 2: Amygdala, Stationary Bicycle, Brainstem

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Dr.Mike

Document Summary

There is an antagonist nature of sns & psns: there is a rebound effect. Reticular activating system: ras , activates the cortex. Triggering the ras: collateral sensory info. Ras vs. sns: diffuse activation system, adrenergic (ne) (a primary neurotransmitter is norepinephrine, antagonists (when one is activated something else is shut down) People who are highly aroused tend to show little expressiveness. Facial feedback, the more facial expression, the more emotion. Perception of emotion (fear), then: bodily arousal. Emotion provoking events, then: perception (danger), then. Bodily arousal, then: perception of emotion (fear) Changes in facial expression responsible for distinct emotion. Number of studies indicate that adopting appropriate expression yields emotion. Subjects are asked to tense and relax muscles. Self-reported happiness is higher in smile group. Stimuli seen as funnier for smile group etc. Heart rate: if its low you"re either happy, disgusted or surprised, if it"s high, and your skin is hot, you"re angry and cool you"re either sad or scared.