PSY 101 Study Guide - Midterm Guide: Sympathetic Nervous System, Prefrontal Cortex, Thermostat

• School: University of Portland
• Department: Psychology
• Course: PSY 101
• Professor: Sarina Saturn

Document Summary

Each emotion is a reaction to an external stimulus. Difference between emotions and drives (hunger, thirst): duration, internal vs external needs of body, cognitive appraisal of stimulus. Only takes milliseconds to identify an experiences as good, bad, or neutral. Speed of emotion is speci c to the emotion (fear, anger would be faster than a happy/ neutral emotion) Fear pulls attentions to possible dangers and helps us avoid them. Part of sympathetic nervous system ( ght or ight) Activates insula: plays role in diverse functions to emotions or homeostasis regulation. Amygdala: responsible for creating emotional responses, tells you whether to ght or ight. Hypothalamus: regulates internal environment in the body by monitoring body"s thermostat. Ventral tegmental area (vta: manufactures dopamine, communicates with nuclear accumbens and prefrontal cortex, activated when reward is on it"s way. Sunday, october 9, 2016: low serotonin = depression/aggresion, affected by hallucinogens.