Psychology Chapter 6

Question 1

our internal clock that governs our sleeping and waking cycles

Answer 1

circadian rhythm

Question 2

Why do we yawn?

Answer 2

to provide a tired brain with oxygen

Question 3

how long is each sleep cycle

Answer 3

90 minutes or so

Question 4

light sleep
hallucinations
hypnagogic sensations
myoclonic jerks

Answer 4

stage 1

Question 5

light to deeper sleep

sleep talker

Answer 5

stage 2

Question 6

transitional to deep

difficult to awaken

Answer 6

stage 3

Question 7

deep sleep sleep walking bedwetting

Answer 7

stage 4

Question 8

paradoxical sleep
10-20 minutes
brain is highly aroused
high quality
body paralyzed- motor cortex signals blocked

Answer 8

REM

Question 9

if you don’t pay back your sleep dept you’ll enter a state of ____________________________ which has health consequences

Answer 9

chronic sleep deprivation

Question 10

difficulty falling asleep and staying asleep
most common
treatment- medical sleep aid

Answer 10

insomnia

Question 11

falling asleep suddenly and randomly

treatment- medication to control episodes

Answer 11

narcolepsy

Question 12

person stops breathing in their sleep, wakes up frequently without knowing, low quality sleep, correlated with obesity
treatment- CPAP machine

Answer 12

sleep apnea

Question 13

stage 4 usually outgrown

Answer 13

night terrors

Question 14

how does sleep loss affect us?

Answer 14

lower quality of life
raise blood pressure 
lower immunity
stimulates cortisone, which stimulates fat production
diminishes creativity

Question 15

why do we sleep?

Answer 15

physical and mental restoration
physical growth
memory formation

Question 16

why do we dream?

Answer 16

ordinary stuff
sometimes dreams are a collage of the ordinary stuff
external stimuli; can work into your dream

Question 17

why do we dream?

Answer 17

wish fulfillment
information processes- commonly accepted
clear neural pathways
neural static
cognitive growth