Endogenous Pacemakers and Exogenous Zeitgebers Essay Plan

Here's an essay plan on the subject of endogenous pacemakers and exogenous zeitgebers. Use it if you want, I chose these studies/explanations as they had the most information to write about. When writing essays in psych remember about breadth and dept, 200 words approx for AO1 and 400 approx for AO2/3.

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  • Created by: Olivia
  • Created on: 23-01-10 21:28

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Endogenous Pacemakers, Exogenous Zeitgebers Essay Plan

1. Describe in detail endogenous pacemakers- suprachiasmatic nucleus (SCN) in the
hypothalamus, SCN obtains information about light from the eye via the optic nerve, happens
even when eyes are shut, as light penetrates the eyelids. If endogenous clock is running
slowly, morning light automatically…

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8. Critical Point 6: There is a negative implication of having a biologically determined system.
This is when it fails, it could cause many problems. Chicurel discovered one example of this is
Familial Advanced Sleep-Phase Syndrome (FASPS) which has been linked with an inherited
defect in one of the PER…


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