Unit 5 - Dreams

Question 1

Information processing

Answer 1

We sift and sort the day’s experiences into our memory

Question 2

Physiological function

Answer 2

Provides the brain with periodic stimulation

Question 3

Neural activation

Answer 3

Believe that dreams are the brain’s attempt to make sense of random neural activity

Question 4

Cognitive development

Answer 4

Dreams are part of brain maturation

Question 5

Dream stage 1 - Hypnagogic sensations

Answer 5

Happen during brief NREM 1; these are sensory experiences that happen without stimuli

Question 6

Dream stage 2 - NREM 2

Answer 6

You are asleep, but not yet in a deep sleep - May dream

Question 7

Dream stage 3 - NREM 3 (delta waves)

Answer 7

This is where one experiences night terrors

Question 8

Dream stage 4 - REM

Answer 8

“Dreaming” stage; dreams are most vivid and “real” like in this stage
- Body is aroused but relaxed
- Other than a few twitches, body is still
- On average we spend about 100 min in REM every night

Question 9

Suprachiasmatic nucleus (SCN)

Answer 9

Located in hypothalamus; reacts to bright light and decreases amount of melatonin that the pineal gland releases
- Social media
- artificial light