ANS+103+-+Stress1

ANS+103+-+Stress1 - 10/5/2010 Stress History and Mystery...

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10/5/2010 1 Stress History and Mystery Toughness Ductility Strength
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10/5/2010 2 In Biological Terms Strength = Biological fitness to withstand stress Toughness = ability to cope with regulated variables outside the normal range Ductility = Ability to recover from challenges beyond yield point (out of range) History Walter Cannon (1929) developed Flight or Fight theory Hans Selye (1936) developed General Adaptation Syndrome (GAS) = alarm, dt t i h t i adaptation, exhaustion Signs & symptoms not caused by any specific disease
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10/5/2010 3 Varies Between individuals, breeds, etc Genetics Experience (adaptation) Between physiological systems within the individual Strength Redundancy Stress The stress of taking this test is bad for me Noun To describe the input Stressor I’m stressed by this test Verb To describe the response Stress I have a stress-induced ulcer from this test Adjective To describe the outcome Stress Response Stress response Behavior (ex. a reflex) (Time) 0 STRESSOR
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ANS+103+-+Stress1 - 10/5/2010 Stress History and Mystery...

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