GT - Stress I 2011_notes

GT - Stress I 2011_notes - Manage Stress Click to edit...

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Click to edit Master subtitle style Manage Stress Chapter 6
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Online Quiz Stress, Chapter 6
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Lecture Outline Part I : Defining Stress Physical signs Part II : Nervous System Autonomic, Endocrine Part III : Immune system Cardiovascular system Part IV : Sleep Basics Insomnia Part V : Stress Management
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Part I Defining Stress
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I’m “stressed out”! n What is stress? ¨ Stressor – situations that trigger physical & emotional reactions ¨ Stress response – reactions to the stressor n What is causing our stress?
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Stress can be good bad n Eustress ¨ Helpful in small doses ¨ Motivates us ¨ Keeps us alert n Distress ¨ Fight or flight ¨ Adversarial ¨ Alienate people ¨ Burn-out
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General Adaptation Syndrome A non-specific response of the body to any demand made upon it Universal and predictable Applicable to any sort of stress (good and bad) Attending a party Failing a test Non-specific stress response : Both situations result in some degree of wear and tear in the body
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Part II Nervous System
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Nervous System
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The Stress Center: Hypothalamus Dependent on perception of external events can shape physiological response
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Endocrine System I n A system of glands, tissues, cells that help control body functions by releasing hormones into bloodstream . n Helps body prepare to respond to a stressor
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Parasympathetic Division n In control when you are relaxed n Aids in digesting food, storing energy, elimination n Keeps body energy use as low as possible n Uses the neurotransmitter – acetylcholine
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Sympathetic Division - Fight or Flight - n Activated during arousal or emergency situations n Severe pain, anger or fear n Uses the chemicals – norepinephrine & epinephrine n Activates sweat glands, blood vessel, muscles n Prepares the body to respond to an emergency or threatening situation (or vigorous exercise)
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Actions of the Autonomic Nervous System
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GT - Stress I 2011_notes - Manage Stress Click to edit...

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