Summary Why Zebras Don't Get Ulcers, Book cover image

Summary Why Zebras Don't Get Ulcers,

- Robert M Sapolsky
ISBN-10 0805073698 ISBN-13 9780805073690
343 Flashcards & Notes
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A snapshot of the summary - Why Zebras Don't Get Ulcers, Author: Robert M Sapolsky ISBN: 9780805073690

  • 1 Why Zebras don't get Ulcers

  • 1.1 some initial concepts

  • What are the three type of stressors
    1. Acute physical crises 2. Chronic physical challenges 3. Psychological and social disruptions
  • What is a recent invention?
    Sustained psychological stress, mostly limited to humans and other social primates. We can experience wildly strong emoties linked to mere thoughts.
  • What is a stressor?
    Anything in the world that knocks you our of homeostatic balance
  • What is a stress-response?
    What your body does to reestablish homeostasis after the affect of a stressor.
  • What is anticipation in the context of stress?
    It can be the stressor it self. We can be smart enough to see things coming and this can turn on a stress-response as robust as if the event had actually occurred.
  • Which ideas did Selye formalize?
    1. The body has a surprisingly similar set of responses. 2. If stressors go on too long they can make you sick.
  • 1.3 What your body does to adapt to an acute stressor

  • How does your body react to stress?
    1. Energy is mobilized and delivered to the tissues that need them; 2. Long-term building and repair projects are defend; 3. Pain is blunted; 4. Cognition sharpened.
  • what are the three stages stages of Selye made to explain why stress can make us sick?
    1. Stressor is noted; 2. Adaptation/ resistance; 3. Exhaustion
  • What was wrong with three stages of Selye?
    Very rare that any of the crucial hormones actually depleted during even the most sustained of stressors.
  • 2 Glands, Gooseflesh, and Hormones

  • 2.1 Stress and the autonomic nervous system

  • What is the automatic nervous system?
    Split in sympathetic nervous system and the parasympathetic nervous system. An automatic system that reacts to your surroundings without you having much control.
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