Nature of sleep

Question 1

what did dement and kleitman find

Answer 1

80% of dreams in REM, 7% in NREM

Question 2

what did Jouvet find

Answer 2

REM was impaired when locus coolers was damaged in animals

Question 3

What did Ohanyon find

Answer 3

24% to 9% deep sleep between the ages of 5 and 70

Question 4

What did Barbelly find

Answer 4

60% of adults take naps

Question 5

What is a problem with the theory

Answer 5

Cultural differences are not accounted for- Isreali kids slept for an hour less than swiss kids

Question 6

Why is this theory reductionist

Answer 6

There is no account of individual differences

Question 7

What is a practical application

Answer 7

Drugs can alter serotonin levels to control NREM

Question 8

What is a problem with this practical application

Answer 8

It is based on animal research and drugs can be addictive

Question 9

what kind of rhythm do the stages of sleep run to

Answer 9

ultradian- more than once in 24 hours

Question 10

what are the stages of sleep

Answer 10

awake- beta
1/2- light sleep, theta
3/4- deep sleep, delta
REM- paralysed, dreams, rapid heart rate

Question 11

outline how sleep changes throughout life

Answer 11

babies- 17 hours/ 50% REM
kids- 12 hours/ 30% REM
adolescent- phase delay
adult- 8 hours/ 25% REM
old- phase advance

amount of sleep and amount of REM decreases as you age