Removed the SCN from hamsters, their nocturnal circadian rhythms broke down. Transplanting the SCN cells re-established the rhythms, including mutant rhythms from mutant hamsters, which shows that the SCN is the main pacemaker
1 of 5
Miles et al.
Study of a bling man provided supporting evidence for endogenous factors on the sleep wake cycle. He had a 26.9 hour circadian rhythm-had to use stimulants and sedatives to adjust and rest as he did not have the endogenous factor of light
2 of 5
People who live in circumpolar regions
Maintain normal sleeping patterns through the winter months without light and through the light period in the summer
3 of 5
McClintock and Stern (1998)
Showed that external factors can have an effect on menstruation
4 of 5
Russell (1980)
Involved rubbing donor pheromones onto women's upper lip daily for 5 months 4/5 menstrual cycles match the hormone of the donor.
5 of 5
Other cards in this set
Card 2
Front
Study of a bling man provided supporting evidence for endogenous factors on the sleep wake cycle. He had a 26.9 hour circadian rhythm-had to use stimulants and sedatives to adjust and rest as he did not have the endogenous factor of light
Back
Miles et al.
Card 3
Front
Maintain normal sleeping patterns through the winter months without light and through the light period in the summer
Back
Card 4
Front
Showed that external factors can have an effect on menstruation
Back
Card 5
Front
Involved rubbing donor pheromones onto women's upper lip daily for 5 months 4/5 menstrual cycles match the hormone of the donor.
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