Stress related illness and the immune system

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Describe what Kiecolt-Glaser et al studied?
The number of Natural Killer (NK) cells present in students one month before and during their final exams.
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What did they find?
That students had fewer NK cells during their exams than one month before
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What does this show?
That immune system functioning is impaired by stress as high levels of NK cells signify a strong immune system
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What year was this study conducted?
1984
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Describe Kiecolt-Glaser et al's second study.
Showed effects of unhappy relationship on immune function between ppts. aged 22 and 77 years.
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What did they find?
Blister wounds healed more slowly on couples that showed high levels of hostility towards one another
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What percentage of the rate of wound healing did couples with high hostility have compared with those with low hostility?
60%
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Give two individual differences related to stress and immune function:
Women tended to have more adverse immune changes in response to long term stressors and older couples showed more adverse immune system changes due to martial conflict than younger couples.
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What did Segerstrom and Miller's meta-analysis conclude?
That short term stressors boost the immune system and long term stressors deplete it.
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Give one criticism of this approach/theory
There's an obvious relationship but it is difficult to establish cause and effect
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Card 2

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What did they find?

Back

That students had fewer NK cells during their exams than one month before

Card 3

Front

What does this show?

Back

Preview of the front of card 3

Card 4

Front

What year was this study conducted?

Back

Preview of the front of card 4

Card 5

Front

Describe Kiecolt-Glaser et al's second study.

Back

Preview of the front of card 5
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