Ultradian Rhythms Flashcards
1
Q
what are ultradian rhythms
A
less than 24 hour cycles
2
Q
example
A
sleep cycle
3
Q
the sleep cycle stages
A
1 = Non-REM (light)
2 = Non-REM
3 = Non-REM (deep)
4 = Non-REM (very deep)
5 = REM (brainwaves increase = dreams)
4
Q
example 2
A
appetite
5
Q
Dement and Kleitman (1957) REM
A
- rapid - eye - movement –> dreams
- lab study
9 adults / no alcohol/ caffeine
electrodes to eyes
dark room
6
Q
REM study findings
A
bell wakes throughout
- during REM / Non - REM
- REM recall = 80%
- non = 7%
7
Q
Individual Differences REM study
A
Tucker et al (2007)
variation of duration in 3-4 stage
- lab not natural
8
Q
Invasive procedure REM study
A
electrodes = not natural EV / CV
lacks ecological V
9
Q
Randy Gardener - Case Study
A
- remained awake for 264 hours
- only slept 15 hours after
- proved Ultradian Rhythmic flexibility