stages of sleep, sleep disorders, dream theories

Question 1

sleep is controlled by

Answer 1

SCN in the hypothalamus, adjusts melatonin released by pineal gland

Question 2

EEG measures

Answer 2

brain wave activity (speed)

Question 3

EMG measures

Answer 3

muscle activity (REM=muscle atonia)

Question 4

EOG measures

Answer 4

eye movement

Question 5

EPOCH is

Answer 5

30 seconds of EEG (brain wave activity)

Question 6

beta waves

Answer 6

awake and alert & REM sleep

Question 7

alpha waves

Answer 7

resting/relaxing (sleep stage 0)

Question 8

theta waves

Answer 8

NREM 1 & 2

Question 9

delta waves

Answer 9

NREM 3

Question 10

sleep spindles & K complexes

Answer 10

NREM 2

Question 11

NREM 3 is important for

Answer 11

physical growth (pituitary gland)

Question 12

REM sleep-

Answer 12

rapid eye movement-muscle atonia occurs, paradoxical

Question 13

REM occurs ___ times during an average night

Answer 13

4-6

Question 14

narcolepsy

Answer 14

“sleep attacks”- overwhelming daytime drowsiness, suddenly falls asleep, especially when excited (cataplexy)

Question 15

sleep apnea

Answer 15

snoring, elevated blood pressure, suddenly stopping breathing during gsleep

Question 16

sleepwalking (somnambulism) & night terrors

Answer 16

occurs during NREM-3, usually children, sleep talking and screaming

Question 17

insomnia

Answer 17

difficulty falling and/or staying asleep, a precursor to depression/mental illness

Question 18

Freudian dream theory

Answer 18

dreams are a wish fulfillment, manifest content (remembered/censored storyline), and latent content (true, often sexual storyline)

Question 19

activation-synthesis theory

Answer 19

story results from brain-interpreting activity

Question 20

Problem-solving/information processing theory

Answer 20

caused by people reviewing problems from waking hours