Circadian Rhythms

HideShow resource information
  • Created by: Liss.
  • Created on: 08-05-14 08:49
Siffre
Spent 61 days in a cave in the Southern Alps - 17th September believing it was the 20th of August (rhythm settled to 24 hours but sometimes changed to 48 hours)
1 of 9
Aschoff and Wever
Participants in a WW11 bunker - most rhythms were around 24/25 hours but some were as long as 29 hours
2 of 9
Folkard
Participants in a cave for 3 weeks in the absence of natural external cues; went to bed at 11:45 and woke at 7:45. Most displayed a 24 hour rhythm
3 of 9
Czeilser
Could alter rhythms from 22-28 hours using only dim lighting
4 of 9
Duffy
13-65 hour circadian rhythm alterations. Morning people = 6am and 10pm whereas evening people = 10am and 1 am (different peak times)
5 of 9
Miles et al.
Case study of a blind man whose circadian rhythm could not be altered by external cues = determinism
6 of 9
Folkard
Children (12/13) had stories read to them at 9am or 3pm - afternoon group had superior recall (8% more meaningful material)
7 of 9
Giesbrecht
Placed participants in cold water = decreased cognitive performance
8 of 9
Wright et al.
Higher temp = higher physiological arousal = improved cognitive performance
9 of 9

Other cards in this set

Card 2

Front

Participants in a WW11 bunker - most rhythms were around 24/25 hours but some were as long as 29 hours

Back

Aschoff and Wever

Card 3

Front

Participants in a cave for 3 weeks in the absence of natural external cues; went to bed at 11:45 and woke at 7:45. Most displayed a 24 hour rhythm

Back

Preview of the back of card 3

Card 4

Front

Could alter rhythms from 22-28 hours using only dim lighting

Back

Preview of the back of card 4

Card 5

Front

13-65 hour circadian rhythm alterations. Morning people = 6am and 10pm whereas evening people = 10am and 1 am (different peak times)

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Psychology resources:

See all Psychology resources »See all Sleep resources »