Circadian Rhythms - Research.

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  • Created by: Emily
  • Created on: 20-06-12 11:12

A circadian rhythm occurs once every 24 hours. For example, the sleep/wake cycle and cycle of body temperature.

Mammals synchronise their CRs to the environment.

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Aschoff and Wever (1962).

Ps were placed in an underground WW2 bunker in the absence of environmental time cues for 3 to 4 weeks. They all settled into a sleep/wake cycle of 25 hours.

Siffre (1962).

Spent 2 months (61 days) in caves. He surfaced on the 17th September, thinking it was the 20th August.

In 1972, He spent 205…

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