Biological Rhythms and Sleep (With Case Studies)

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  • Created on: 03-03-14 19:47
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BIOLOGICAL RHYTHMS AND SLEEP
RHYTHM CIRCADIAN INFRADIAN ULTRADIAN
LENGTH 24 Hours Over 24 Hours Less than 24 Hours
EXAMPLE 1 Sleep-wake Cycle Menstrual Cycle Sleep Stages
EXAMPLE 2 Body temperature Cycle Seasonal Affective Basic rest-activity Cycle
Disorder (SAD)
CASE STUDIES TO Michel Siffre (1975) Empson (1977) Dement and Kleitman
REMEMBER! 1 (1957)
CASE STUDIES TO Aschoff and Wever Hobson and McCarley
REMEMBER! 2 (1976) (1977)

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BIOLOGICAL RHYTHMS AND SLEEP
KEY PHRASES/ THINGS TO INCLUDE FOR THE EXAM:
INDIVIDUAL DIFFERENCES
CAUSE OR CORRELATION?
GENDER/CULTURAL/AGE/SOCIAL/POLITICAL BIAS
DETERMINISTIC
REDUCTIONIST
MUNDANE REALISM
SOCIAL DESIRABILITY
WHAT'S THE METHODOLOGY?
NON-HUMAN ANIMAL RESEARCH
RESEARCH COMPLICATIONS
NAME TOPIC WHAT THEY DID WHAT THEY FOUND
Michel Siffre Circadian Rhythms Underground cave Circadian rhythm runs
experiment without exogenous cues
however can vary in
length
Aschoff and Wever Circadian Rhythms Underground cave (supporting Siffre) ­
experiment ­ (with similar study
participants NOT
themselves (unlike
Siffre)
Peter Tripp Sleep Deprivation Stayed awake…read more

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BIOLOGICAL RHYTHMS AND SLEEP
5) Outline and evaluate one or more evolutionary explanations for the functions of sleep (4+16 marks)
6) Outline the nature of sleep (9 marks)
7) Consider the consequences of disrupting biological rhythms (16marks
8) Discuss the role of endogenous pacemakers in the control of one or more biological rhythms (9+16
marks)
9) Outline lifespan changes in sleep (4 marks)
10) Outline and evaluate one explanation for the functions of sleep…read more

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