Infradian Rhythms.

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  • Created by: Emily
  • Created on: 07-09-12 17:15

Infradian Rhythms are longer than 24 hours, for example, hibernation and the human menstruation cycle.


McClintock's menstrual synchrony studies (1971)

M identified the synchronisation of cycles after observing menstrual cycles had synced through pheromones secreted and transmitted through social interaction.


- Longitudinal study with 29 women with a history of irregular ovulation.

-  Gathered samples of pheromones at different points in cycle by placing cotton wool under arms for 8 hours.

- Each cotton pad was then…


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