Health Sciences 1001A/B Chapter Notes - Chapter 3: Psychoneuroimmunology, The Sequence, Workaholics

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Stressors situations that trigger physical and emotional reactions. Stress - the general physical and emotional state that accompanies the stress response. Is not limited to negative situations can be a response to pleasurable things as well. The nervous system: consists of the brain, spinal cord and nerves: the autonomic nervous system the part of the nervous system that is not under conscious supervision and consists of two divisions. Parasympathetic nervous system in control when you are relaxed and aids in digestion, storing energy and growth promotion. Sympathetic nervous system activated during arousal and emergency situations. Helps prepare the body to respond to a stressor: brain detects threat: neurochemical message hypothalamus (releases chemicals) . Cognitive appraisal of a potential stressor influences how you view it, your predictions and perceptions of control reduce the magnitude of a stress response: example: given a syllabus can predict timing of deadlines.

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