Stress
- Created by: LouisaCarson
- Created on: 05-06-16 13:07
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- Stress
- The body's response to stress
- Increased heart rate
- Increased breathing rate
- Raised blood pressure
- Release of adrenaline
- Dilated pupils
- Blood flow increases
- The sympathetic medullary system
- The body's response to acute stress
- The hypothalamus activates the adrenal medulla
- The adrenal medulla secretes adrenaline
- Adrenaline increases the heart rate as the body prepares for 'fight or flight'
- The sympathetic nervous system is aroused and the parasym- pathetic is reduced
- Once the 'threat' is over the parasym- pathetic branch calms the body down
- The hypothalamic pituitary-adrenal system
- The hypothalamus stimulates the pituitary gland to release ACTH
- The adrenal cortex is activated
- Corticosteroi-ds are released
- A steady supply of energy is maintained
- The immune system is supressed
- The body's response to chronic stress
- Friedman and Rosenman (1974)
- Aimed to investigate the links between type A personality and the development of heart disease
- 3000+ US men were interviewed and identified as type A or B
- They were monitored for eight and a half years and their lifestyles and health levels were assessed
- 257 of the original men developed heart disease
- 70% of the sufferers were from the type A personality group
- Friedman and Rosenman Evaluation
- Longitudinal study - provides information about long term effects
- What aspect of the personality type caused the heart disease was not specified
- Natural experiment - cause and effect cannot be established
- Unequal sample split
- Individuals at risk of heart disease can be identified
- Stress measurement
- Social Readjustment Rating Scale (SRRS)
- Daily Hassles
- Stress related illnesses
- Coronary heart disease
- High blood pressure
- Depression
- Schizophrenia
- The body's response to stress
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