Biological Rhythms

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  • Created by: Ryan
  • Created on: 03-12-12 21:01
Definition of a biological rhythm
A cyclical variation over some period of time in physiological or psychological processes. - Gross and McIlveen (1996)!
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Circadian Rhythm
Occurs every 24 hours. Example: Sleep wake cycle, temperature (lowest at night) and metabolism (peaks and drops)
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Ultradian Rhythm
Occurs more than once in 24 hours. Example: Sleep cycles, activity and rest cycles, eating and hunger
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Infradian Rhythm
Occurs less than once every 24 hours. Example: Menstural cycle, seasonal affective disorder
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What are the rhythms controlled by?
A relationship between endogenous pacemakers and exogenous zeitgebers
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Other cards in this set

Card 2

Front

Occurs every 24 hours. Example: Sleep wake cycle, temperature (lowest at night) and metabolism (peaks and drops)

Back

Circadian Rhythm

Card 3

Front

Occurs more than once in 24 hours. Example: Sleep cycles, activity and rest cycles, eating and hunger

Back

Preview of the back of card 3

Card 4

Front

Occurs less than once every 24 hours. Example: Menstural cycle, seasonal affective disorder

Back

Preview of the back of card 4

Card 5

Front

A relationship between endogenous pacemakers and exogenous zeitgebers

Back

Preview of the back of card 5

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