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
