Class Notes (837,487)
Canada (510,274)
Psychology (6,261)
Psychology 1000 (2,472)
Dr.Mike (1,250)
Lecture 40

Psychology 1000 Lecture 40: Stress
Premium

4 Pages
22 Views
Unlock Document

Department
Psychology
Course
Psychology 1000
Professor
Dr.Mike
Semester
Fall

Description
• The Stress Response • Psychosomatic Disorders • Traumatic Stress • Next time: Freud • Scan: p. 524 - 531 Questions: 1. What causes stress? 2. Are there consequences of prolonged stress? 3. How can you protect yourself against stress? Stress Definition: a pattern of physiological, behavioural, emotional, and cognitive responses to real or imagined stimuli that are perceived as blocking a goal or endangering our well-being Stress Process Stressors --> Intervening Factors -->Stress Reaction 1. Stressors a. Catastrophes, life changes, hassles b. Daily hassles can add up 2. Intervening Factors a. Appraisal i. Lazarus theory- Theory of appraisal b. Perceived Control c. Personality d. Social Support e. Coping 3. Stress Reaction a. Physiological b. Emotional c. Behavioural 1. Sense Stressor Response 1 a. Activate sympathetic nervous system b. Adrenal Medulla - Middle of the brain c. Epinephrine 2. Sense Stressor Response 2 a. Anterior pituitary b. Adrenal cortex c. Glucocorticoids (Cortisol) Cortisol • Effects similar to epinephrine • Converts protein to glucose • Makes fats available for energy • Increased blood flow • Almost every cell in body has a receptor for glucocorticoids - Cortisol is much more accessible and invasive as the receptors are everywhere - Difference between cortisol and epinephrine Immune System • Stress can suppress the immune system, making the person more vulnerable • How? Stress results in release of glucocorticoids … Directly suppress the action of white blood cells • Under stress, high state of arousal, immune system is compromised Support? • Rats faced with inescapable shock showed a decrease in lymphocyte production - White blood cell count goes down • Husbands show decreased immune response after wife's death - Immune system compromised because of the stress relation - When the immune system is compromised you are more likely to be exposed to other diseases • People are more likely to get sick a few days after exposure to stressful event • Acute infectious disorders increase during final exams Note: • Reaction depends on appraisal • Do you perceive that situation is a threat and that you can cope? Or not? • If you believe you can cope, you stop the stress reaction • Stressful beliefs cause distress - Convince yourself you are not stressed to limit the immune system decline • Distress - Physically and mentally ill Psychosomatic Disorders • Disorders with primarily physical systems, but "caused" or maintained by psychological factors • Ex. Hypertension, higher cholesterol - Maintained if you're stressed more Gastric Ulcers • Painful lesions of stomach lining • Over 500K new cases per year • Linked to living in stressf
More Less

Related notes for Psychology 1000

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit