Infradian Rhythms Flashcards
What is one example of infradian rhythms?
Menstural Cycle - cycle regulates ovulation. Pituitary glands releases hormones which stimulate release of an egg and release of oestrogen.
What did refinetti find?
Found women experience cycles as short as 22 days and as long as 36 days, with an average of 28 days.
What is the Male monthly cycle?
Emerson - measures body temp and alertness levels of 21 males over various lengths of time. Found some evidence for a periodic variation of body temp and perceived morning alertness, with a cycle of approx. 20 days.
What are Annual Rhythms?
Seasonal Affective Disorder found that many people feel more depressed in the winter. may be due to increased melatonin levels which links to depression.
What did Trudeau suggest?
Suggested human deaths follow an annual rhythms - they peak in January.
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