PSYC 1101 Lecture Notes - Lecture 20: Prefrontal Cortex, Facial Expression, Likert Scale
Document Summary
Different from mood: emotion is immediate, mood is long lasting emotional state. Two dimensional: valence (positive or negative, level of activation (low arousal to high arousal) High arousal at top vs low arousal at bottom. Negative valence on left vs positive valence on right. Ledoux: state of feeling characterized by (1) physiological arousal, sympathetic ns. Increases pulse, blood pressure; pupils dilate; open eyes; decreases bowel (2) expressive behaviors: facial expression, actions (3) cognitive interpretation of emotional stimulus, feelings, interpretations and thoughts. Cognitive appraisal: can appraisal be wrong (wrong interpretation) of physiological arousal, scary bridge, fact that physical arousal can be misinterpreted as romantic attraction may account for fact that many first dates involves roller coasters. Emotion: all emotional experiences are different cognitive interpretations of same physiological state. Brain and emotion: amygdala (part of limbic system, joseph ledoux two pathways for emotion, fast track. Just through amygdala (sensory system thalamus amygdala: slow track.
