PSYC 2230 Chapter Notes - Chapter 3: Basal Ganglia, Cortisol, Antigen

• School: York University
• Department: Psychology
• Course: PSYC 2230
• Professor: Frank Marchese

Document Summary

Introduction: numerous studies have been constructed that suggest a link between stress and illness, stress is often conceptually located at the extreme end of a continuum of arousal, levels of arousal: Chapter 3 page 3 wakefulness and determine where on the arousal continuum we find ourselves and to what we pay attention. Lying in bed and thinking about tomorrow"s exam would activate one"s ras, which in turn keeps the cortex aroused, and sleep becomes difficult: thus, thoughts as well as external stimuli can lead to the arousal of an individual. Atropine) produce eeg activity akin to sleep in cats and dogs, which nevertheless respond behaviorally in a normal, awake manner: other chemicals (ex. Chapter 3 page 4: different situations produce different patterns of somatic responses (ex. Heart rate: feedback form the periphery of the body is also important in lacey"s model of arousal, ex. 1. responses, yet clear differences remain to be shown.