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Biological rhythems
- Infradian
- Cycles that are longer then 24 hours like the menstrual cycle
- Cycles that are longer then 24 hours like the menstrual cycle
- Ultradian
- Cycles that happen under 24 ours like sleep
- Cycles that happen under 24 ours like sleep
- Menstrual cycle
- Reinberg documented the menstrual cycle of a
women that lived in a cave 3 months in dim light
- Findings: Her menstrual cycle shorted, however
outside factor might be why people change.
- Russell et al found womens periods started to
synchronise after smelling sweat from womens arm
pits.
- Findings: Her menstrual cycle shorted, however
outside factor might be why people change.
- Reinberg documented the menstrual cycle of a
women that lived in a cave 3 months in dim light
- Sleep
- Sleep time line
- Stage 1: 15 minuets, the theta waves take over the
Alpha waves. as the body starts to slow.
- Stage 2: breathing + heart rate and body
temperature decreases. and spindles come
through.
- Sleep spindes are to
refresh the memory and
last 0.5 seconds.
- Sleep spindes are to
refresh the memory and
last 0.5 seconds.
- Stage 3: Deep sleep begins
and there are slower waves
- Stage 4: 40 minuets, Delta waves are produced as
well as heart rate are its lowest and limited muscle
movement
- REM: The is when there is completetly paralyses of the person only
the eyes move, this is when most of the dreaming happens
- Stage 1, Stage 2, Stage 3,
Stage 4, Stage 2, REM,
2,3,4,2,REM,2,3,4,2,REM
- Stage 1: 15 minuets, the theta waves take over the
Alpha waves. as the body starts to slow.
- Theories
- Ecological: it is the survival
of the fittest, sleep been
adaptive behaviour.
- Predator Avoidance: where the predator sleep longer as
they have less to worry about like if something is going to eat
them. Pray sleep when they are not so vulnerable
- Energy Conservation (Webb): These
when sleep is to conserve energy at time
when we don't need to be awake.
- Predator Avoidance: where the predator sleep longer as
they have less to worry about like if something is going to eat
them. Pray sleep when they are not so vulnerable
- Restoration
- Physiological: During SWS sleep the body makes repairs. Stern
and Morgane the normal function of REM is to restore levels of
neurotransmitters.
- Psychological: Berry and Webb found people who sleep well during the night
where less anxiet the next day then the people who had poor sleep.
- Physiological: During SWS sleep the body makes repairs. Stern
and Morgane the normal function of REM is to restore levels of
neurotransmitters.
- Ecological: it is the survival
of the fittest, sleep been
adaptive behaviour.
- Sleep time line
- Endogenous pacemakers
- Michel Siffre
- Spent 6 months underground and his sleep/wake
cycle changed to 25-30 hour suggesting
endogenouse factors as well as exgenouse factors
effect out cycles for sleep.
- Spent 6 months underground and his sleep/wake
cycle changed to 25-30 hour suggesting
endogenouse factors as well as exgenouse factors
effect out cycles for sleep.
- Campbell and Murphy
- 15 volunteers slept in a lab and then
woken at different times with a light shone
behind their knee, suggesting that blood
may carry messengers about light.
- 15 volunteers slept in a lab and then
woken at different times with a light shone
behind their knee, suggesting that blood
may carry messengers about light.
- Michel Siffre
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