PSYC 1200 Lecture Notes - Posttraumatic Stress Disorder, Thymus, Hans Selye

• School: University of Manitoba
• Department: Psychology
• Course: PSYC 1200
• Professor: Debra Lall

Document Summary

Functions of emotions: motivation & attention, social functions of emotions, emotional effects of cognitive functioning emotions improves attention improves memory positive emotions produce more efficient thinking, creative, etc. Stress of living: stress, stressors pattern of specific & non-specific responses that disturb equilibrium stimulus event that places a demand on an organism for some kind of adaptive response. Physiological stress reactions: acute stress clear onset and offset patterns, chronic stress continuous state of arousal demands are greater than available resources. Emergency reactions to acute stress: fight-or-flight response prepares the body for combat & struggle or for running away to safety. Han selye: three stage response alarm reaction: become alert & energize resistance: body try to get back to normal stage. Thymus gland shrinks exhaustion: some symptom in alarm reaction reoccur. Life change units (lcus: catastrophic & traumatic events. Can reoccur when people feel powerless: chronic stressors, daily hassles.