Stress_lecture(2) - Got Stress? Stress and Health Walter...

Info iconThis preview shows pages 1–21. Sign up to view the full content.

View Full Document Right Arrow Icon
Stress and Health Got Stress?
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Walter Cannon Physiologist Drew attention to the connection between mind and body Starting point for study of emotions Interdisciplinary: Emotions + personality health (or illness)
Background image of page 2
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Language of Stress Stressors : specific events or chronic pressures that place demands on a person or threaten the person’s well-being Stress : the physical and psychological response to internal or external stressors . Chronic stressor : a source of stress that occurs continuously or repeatedly.
Background image of page 4
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
6 Stress Reactions Fight-or-flight response An emotional and physiological reaction to an emergency that increases readiness for action. Cannon siad this is the body’s first mobilization to any threat
Background image of page 6
Stress Reactions General adaptation syndrome (Seyle) alarm phase resistance phase exhaustion phase glucocorticoids
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Hans Selye Popularized the term “stress” demonstrated that stress can affect physical health
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The General Adaptation Syndrome Is a Bodily Response to Stress Selye noted that bloated adrenal glands, damaged lymphatic structures, and stomach ulcers were the hallmarks of the “nonspecific stress response” His stressor-induced “general adaptation syndrome” is now seen as engaging the HPA system
Background image of page 10
general adaptation syndrome a consistent pattern of responses to stress that consists of 3 stages: alarm, resistance, and exhaustion
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
alarm stage An emergency reaction that prepares the body to fight or flee; physiological responses are aimed at boosting physical abilities while reducing activities that make the organism vulnerable to infection after injury
Background image of page 12
alarm stage Body prepares to survive--flee or fight, kick in the immune system, flood the body with resistant chemistry
Background image of page 13

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
resistance stage The defenses are prepared for a longer, sustained attack against the stressor; immunity to disease continues to increase somewhat as the body maximizes its defenses
Background image of page 14
exhaustion stage A variety of physiological and immune systems fail. Bodily organs that were already weak before the stress are the first to fail.
Background image of page 15

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 16
Background image of page 17

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 18
immune system the body’s mechanism for dealing with invading micro organisms, such as allergens, bacteria, and viruses
Background image of page 19

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Immune system White blood cells that fight infection Psychoneuroimmunology Social status is related to health
Background image of page 20
Image of page 21
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 58

Stress_lecture(2) - Got Stress? Stress and Health Walter...

This preview shows document pages 1 - 21. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online