Sleep (Somnambulism)

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  • Created by: Sophie
  • Created on: 29-05-15 09:32
What do EEG readings on sleepwalkers show?
Delta activity associated with deep sleep as well as beta activity associated with wakefulness.
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What are the risk factors?
Age (young), stress, puberty
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What do these risk factors suggest?
Everyone is affected by these risk factors but very few sleepwalk, suggests they are triggers for an underlying biological predisposition.
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What is the concordance rate for sleepwalking in MZ twins?
50%
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What does this indicate?
If sleepwalking was entirely genetic concordance would be 100% in MZ twins. 50% concordance indicates that environmental factors are necessary also.
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What did Zadara find?
Tiredness triggers sleepwalking. Participants were kept awake for a night and the following night incense of sleepwalking doubled.
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Why do children sleepwalk more?
sleepwalking occurs during stage 4 sleep. Children get more stage 4 sleep.
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What did Oliveiro find?
GABA neurons not fully developed in children. System preventing movement during sleep not fully developed in children.
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Card 2

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What are the risk factors?

Back

Age (young), stress, puberty

Card 3

Front

What do these risk factors suggest?

Back

Preview of the front of card 3

Card 4

Front

What is the concordance rate for sleepwalking in MZ twins?

Back

Preview of the front of card 4

Card 5

Front

What does this indicate?

Back

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