Fuctions of sleep

Question 1

what is a polysomogram

Answer 1

measures sleep

Question 2

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

Answer 2

delta - synchronised

Question 3

In REM what is your body doing

Answer 3

rapid eye movement, increased HR variable breathing vivid dreams

Question 4

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

Answer 4

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)

Question 5

effect of sleep on the immune system?

Answer 5

those without sleep had decreased NK cells and T cells

Question 6

what can sleep deprivation lead to

Answer 6

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

Question 7

Name some non pharmalogical treatments of insomnia

Answer 7

• progressive relaxation

- cognitive therapies (helps prevent maladaptive thoughts)

Question 8

Describe the waves of different types of sleep

Answer 8

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

Question 9

What voltage are slow waves

Answer 9

high voltage