Research on the circadian rhythm

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  • Created by: Njsmith1
  • Created on: 11-09-13 17:05

One way to assess the relationship between Ep's and Ez's is to remove Ez's. Research tends to be case studies

Michael Siffre 1975.
-spent 7 months in a cave
-sleep cycle settled into roughly 25 hours
Aschoff & Weaver
-similar study with group of students in a bunker
-also settled into regular rhythm 23-27 hrs

Both suggets normal cycle is longer than 24 hrs. Therefore we need our EZ's to tell our EP how fast to run to keep 24 hr cycle]

Zucker. Studied hamsters
1) Cut optic nerve - removed link between EZ and EP. The cycle continued showing they…


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