ultradian rhythms
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12 Terms
ultradian rhythms
a biological rhythm with a frequency of more than one cycle in 24 hours
what wave is at stage 1
alpha
what wave is at stage 2
theta
what wave is at stage 3 + 4
delta
what wave is at REM sleep
beta light waves
what does REM sleep stand for
Rapid Eye Movement
conditions at stage 1 and 2
light sleep where someone is easily woken
conditions at stage 3 and 4
slow wave sleep where it is difficult to wake a person up
conditions at REM sleep
where dreams occur and the body is paralysed
age related changes in sleep - evaluation
sleep scientists found slow wave sleep reduces with age which is when growth hormones are produced and therefore is reduced in older people
individual differences - evaluation
Tucker found individual differences in stages 3 + 4 due to biology
control - evaluation
high control allows extraneous variables to be eliminated such as temperature
Note 
Flashcards (105)