Explanations of Sleep Walking

1. The diathesis-stress model proposes that genes merely provide a ------------- (diathesis) for a disorder but the disorder only occurs in situations of environmental stress, which seems likely in the case of sleep walking. (13)
5. One possibility for why sleep walking is more common in childhood is that it happens because children have ---- SWS than adults. (4)
6. Who suggested that that system that normally inhibits motor activity in SWS isn't sufficiently developed in some children & it may also be underdeveloped in some adults? (8)
7. Who reported about 50% concordance in identical (MZ) twins compared to 10-15%% in DZ twins, and also identified a gene that may be critical in sleep walking (the DQB1*05 gene)? (10, 2, 2)
8. IDA - Sleep walking has been used as a defence for ------ cases (the issue is whether or not the accused was actually sleep walking). (6)
9. -------- changes during puberty and menstruation may also be triggers for sleep walking. (8)

2. Who found that factors such as sleep deprivation, alcohol, having a fever, stress or psychiatric conditions increase the likelihood of sleep walking? (6, 2, 2)
3. Sleep walkers are in a deep sleep (SWS) which means that it's very --------- to rouse the sleep walker. (9)
4. The fact that risk factors trigger sleep walking in only some people suggests that some individuals may have an --------- vulnerability for sleep walking. (9)
10. Sleep walking is a disorder of ------- - a person who's sleep walking is partly awake in the sense that they're engaged in activities normally associated with the waking state, but they're also asleep. (7)

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