Stress related illness and the immune system

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Created by: JessToLetYouKnow
Created on: 22-04-15 20:43

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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Other cards in this set

Card 2

Front

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

Card 4

Front

What year was this study conducted?

Back

Card 5

Front

Describe Kiecolt-Glaser et al's second study.

Back

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Stress related illness and the immune system