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Flashcards in Fuctions of sleep Deck (9)
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1

what is a polysomogram

measures sleep

2

What waves are when youre in your deepest sleep and what do they look like

delta - synchronised

3

In REM what is your body doing

rapid eye movement, increased HR variable breathing vivid dreams

4

explain the
A) evolunionary theory of sleep
B) the restortitive theroy of sleep

A) all animals do it we must need to - inherited from ancestors
B) restores the brain, (shown by delta activity) (sleep dep disruputs cognitive functions)

5

effect of sleep on the immune system?

those without sleep had decreased NK cells and T cells

6

what can sleep deprivation lead to

-increased sleep propensity
-Decreased glucose metabolism in frontal lobe
-mood changes
-higher cog function disrupted
-increase risky behaviours

7

Name some non pharmalogical treatments of insomnia

-progressive relaxation
-cognitive therapies (helps prevent maladaptive thoughts)

8

Describe the waves of different types of sleep

awake - alpha
1 theta - dont know youve been asleep
2 theta and k complexes and sleep spindles
3 deltha low freq
4 delta synchronised
REM = theta

9

What voltage are slow waves

high voltage