Dement and Kleitman 4

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Dement & Kleitman

Dement & Kleitman 

Aim: Demonstrate relationship between eye movement and dreaming

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Research Questions

3 Research Questions:

1. Are the dreams more often during REM sleep than during non-REM sleep?

2. Would subjective estimates of dream length correlate with length of REM?

3. Is there a relationship between dream content and eye movement?

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  • 7 adult males + 2 females
  • 5 particpiants studied intensively
  • data collected from other 4 to confirm these results from original 5
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  • Lab
  • Participants reported just before their normal bedtime, they refrained from drinking alcohol or cofee
  • Electrodes attatched from EEG machine to particpants scalp
  • Partcipants woken at various times, by a bell sound and had to speak into a voice recorder
  • State whether they were dreaming, if so what was the content of their dream
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  • Research question 1:
  •  Research question 2:

Research Question 3:

  • Particpants asked to describe contents of dream  after participants after particular eye movement obersved; simplified from original question
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  • high levels of control over extraneous variables
  • EEG and EOG provide precise scientific measurements = objective
  • Caue and effect
  • Quantitative + Qualitative 
  • Tape recorder = more accurate readings 


  • low ecologicla validity 
  • Small sample


helps in relation to sleep disorder, such as: insomnia

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