Dement And Kleitman- Biological

Question 1

Background

Answer 1

1963 Aserinsky identified REM and NREM sleep

Sleep follows cycles NREM (4 stages) and REM

Question 2

Aims and hypotheses

Answer 2

Does dreaming occur during REM or NREM
Do eye mouvements match with dreams
Can we accurately estimate length of time of dream

Question 3

Method

Answer 3

Natural experiment in laboratory

Question 4

Design

Answer 4

Repeated measures

Question 5

Participants

Answer 5

9 participants 
1 only slept more one night 
2 for 2 nights 
5 completed 6-17 nights 
Laboratory in university of chicago 
Right to withdraw

Question 6

Apparatus

Answer 6

Bed, electrodes on scalp EEG ?? And around eye EOG??, tape recorder

Question 7

Controls

Answer 7

No alcohol or caffeine
Report to lab 6 bedtime
Woken by a bell

Question 8

Procedure

Answer 8

Arrive at bedtime, sleep in individual rooms with electrodes (eye + scalp) which is connected to recording device
Experimenter observed EEG >???

Question 9

Data

Answer 9

Quantitative- n of dream recalls, dream length estimation, n of words
Qualitative- description of dreams

Question 10

Conclusion

Answer 10

Dreams are more likely to be reported in REM

Dream content corresponds to direction in which the eye moves.