Unit 5 - States of Consciousness

Question 0

psychology (old definition)

Answer 0

the description and explanation of states of consciousness

Question 1

psychoactive drugs

Answer 1

mood and perception altering substances

Question 2

Car speedometer

Answer 2

Consciousness is like a car speedometer: “It doesn’t make the car go, it just reflects what’s happening.”

Question 3

Cognition

Answer 3

mental processes

Question 4

consciousness

Answer 4

our awareness of ourselves and our environment

Question 5

stream of consciousness

Answer 5

each moment flows into the next moment like a perfect stream

Question 6

states of consciousness

Answer 6

waking, sleeping, dreaming, and tripping (drugs)

Question 7

circadian rhythm

Answer 7

the biological clock; regular bodily rhythms (for example, of temperature and wakefulness) that occur on a 24-hour cycle

Question 8

sleep cycle

Answer 8

90-minute cycle of five distinct sleep stages

Question 9

suprachiasmatic nucleus (SCN)

Answer 9

a pair of grain-of-rice-sized, 20,000-cell clusters in the hypothalamus that causes the brain’s pineal gland to decrease its production of the sleep-inducing hormone melatonin in the morning or increase it in the evening

Question 10

REM sleep

Answer 10

rapid eye movement sleep; a recurring sleep stage during which vivid dreams commonly occur. Also known as paradoxical sleep, because the muscles are relaxed (except for minor twitches) but other body systems are active

Question 11

alpha waves

Answer 11

the relatively slow brain waves of a relaxed, awake state

Question 12

sleep

Answer 12

periodic, natural loss of consciousness - as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation

Question 13

hallucinations

Answer 13

false sensory experience, such as seeing something in the abence of an external visual stimulus

Question 14

stages of sleep

Answer 14

NREM - 1  --> light sleep
NREM - 2  --> 
NREM - 3  -->
NREM - 4  -->
REM  --> dreams