Sleep and Dreams

Question 1

What did Rechtschaffen find and what does it emphasis?

Answer 1

Sleep deprived rats died within 23 days which emphasises the importance of sleep for survival.

Question 2

What did Horne find?

Answer 2

That a lack of sleep does not impact sporting abilities.

Question 3

What did Watson find?

Answer 3

Bodily restoration can be achieved by resting alone.

Question 4

What is cognitive psychology?

Answer 4

The scientific study of the mind as an information processor. Cognitive psychologists believe behaviour is the result of information processing. ‘Computer’ is used as a metaphor for the mind.

Question 5

What are circadian rhythms?

Answer 5

Circadian rhythms are physical processes maintained by sunlight and other time cues that keep the sleep-wake patterns on a consistent 24-hour schedule.

Question 6

What do circadian functions control?

Answer 6

• Body temperature
• Hormone levels
• Eating schedule
• Menstrual cycle
• Sleep-wake cycle

Question 7

What part of the brain controls the sleep-wake cycle?

Answer 7

The SCN is in the hypothalamus and sits behind the eyes, it controls the sleep-wake cycle.

Question 8

What is built up in the brain during the day?

Answer 8

Adenosine, which makes us feel sleepy.

Question 9

What is built up in the brain during the day?

Answer 9

Adenosine, which makes us feel sleepy.