Dement And Kleitman

Question 1

Who presented it and when

Answer 1

Dement and kleitman in 1957

Question 2

What was the aim

Answer 2

To understand the function of REM sleep and wether eye movements are connected to the content of dreams

Question 3

Method

Answer 3

7 adult males and 2 adult females were observed while sleeping in a quiet dark laboratory room after their normal day. They were asked to abstain from alcohol and caffeine, after they slept they had a polysomnography. Electrodes were connected near the eyes to register eye movements and on the scalp to register brain waves during sleep. They were then woken at various times during the night by a loud doorbell noise and reported to a recording device wether they had been dreaming and the content of the dream.

Question 4

Findings

Answer 4

REM periods were observed and participants mainly reported dreaming after their REM sleep and a correlation between time in REM sleep and time spent dreaming

Question 5

Conclusion

Answer 5

REM sleep and dreams are closely related and the majority of dreaming occurs during REM sleep