Cirdian Rhythms
- Created by: Chanteleeeee
- Created on: 01-12-16 21:51
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- Circadian Rhythms
- are patterns of behaviour that occur or recur approximately every 24 hours, e.g sleep wake cycle.
- This was shown by STIFFRE
- a cave expert who investigated the natural duration of his own sleep-wake cycle.
- Isolated himself from all daylight by hiding in a dark cave with only weak artificial light, which came on when he woke.
- Findings - his sleep-wake cycle settled naturally at around 25 hours, although it would range up to 48 hours.
- Concluded that the absence of natural daylight allowed his biological clock to run at its natural rate.
- Daylight acted as an exogenous zeitgeber
- Sample size was small and study doesn't consider individual differences.
- Wasn't completed isolated from all exogenous zeitgebers.
- given researchers a better understand of the adverse consequences that occur as a result of their disruption
- Night workers engaged in shift work experiencewould have a period of reduced concetration around 6 in the monring
- Meaning mistakes and accidents are more likely
- Relationship between shift work and poor health, suggesting that shift workers are 3 times more likely to develop heart disease.
- Meaning mistakes and accidents are more likely
- Night workers engaged in shift work experiencewould have a period of reduced concetration around 6 in the monring
- given researchers a better understand of the adverse consequences that occur as a result of their disruption
- Wasn't completed isolated from all exogenous zeitgebers.
- Sample size was small and study doesn't consider individual differences.
- Daylight acted as an exogenous zeitgeber
- Concluded that the absence of natural daylight allowed his biological clock to run at its natural rate.
- Findings - his sleep-wake cycle settled naturally at around 25 hours, although it would range up to 48 hours.
- Isolated himself from all daylight by hiding in a dark cave with only weak artificial light, which came on when he woke.
- a cave expert who investigated the natural duration of his own sleep-wake cycle.
- This was shown by STIFFRE
- are patterns of behaviour that occur or recur approximately every 24 hours, e.g sleep wake cycle.
- Findings - his sleep-wake cycle settled naturally at around 25 hours, although it would range up to 48 hours.
- Concluded that the absence of natural daylight allowed his biological clock to run at its natural rate.
- Daylight acted as an exogenous zeitgeber
- Sample size was small and study doesn't consider individual differences.
- Wasn't completed isolated from all exogenous zeitgebers.
- given researchers a better understand of the adverse consequences that occur as a result of their disruption
- Night workers engaged in shift work experiencewould have a period of reduced concetration around 6 in the monring
- Meaning mistakes and accidents are more likely
- Relationship between shift work and poor health, suggesting that shift workers are 3 times more likely to develop heart disease.
- Meaning mistakes and accidents are more likely
- Night workers engaged in shift work experiencewould have a period of reduced concetration around 6 in the monring
- given researchers a better understand of the adverse consequences that occur as a result of their disruption
- Wasn't completed isolated from all exogenous zeitgebers.
- Sample size was small and study doesn't consider individual differences.
- Daylight acted as an exogenous zeitgeber
- Concluded that the absence of natural daylight allowed his biological clock to run at its natural rate.
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