AS Psychology: Dement and Kleitman (1957) Study

This set of flashcards covers key concepts and findings from the Dement and Kleitman (1957) study on sleep and dreaming.

What was the main aim of Dement and Kleitman's (1957) study?

To investigate the relationship between eye movements and dreaming.

What hypothesis suggests that there is a relationship between REM sleep and dreaming?

There will be a significant association between REM sleep and dreaming.

How does the study define the two types of sleep being investigated?

REM (Rapid Eye Movement) and NREM (Non-Rapid Eye Movement) sleep.

Which equipment was used to trace eye movements during the study?

EOG (electrooculogram).

What was found about dream recall when participants were woken from REM sleep compared to NREM?

Awakenings from REM produced a dream recall of 79.6%, whereas from NREM produced a dream recall of 7%.

How did participants estimate their dream duration?

They guessed the duration they had been dreaming after being woken from REM sleep.

What percentage accuracy did participants have in estimating a 5-minute dream duration?

88% accuracy.

What qualitative data was collected in the study?

The dream content was recorded as narrative reports.

What are the implications of eye movements according to the study's conclusions?

Eye movements correspond to where and what the dreamer is looking at in their dreams.

What ethical concern arose with participant WD in the study?

Participant WD was deceived about being woken from REM sleep but was actually woken randomly, which could cause distress.