CH 5

Question 1

Consciousness

Answer 1

Awareness of our external and internal environments.

Question 2

Unconscious

Answer 2

Freudian: Thoughts, desires, emotions out of awareness.

Medical: Interrupted consciousness due to conditions or trauma.

Question 3

Subconscious Awareness

Answer 3

Activity just beneath the surface of awareness.

Question 4

Uncontrolled Awareness

Answer 4

Daydreaming, automatic processing.

Question 5

Controlled Awareness

Answer 5

Focused conscious attention.

Question 6

Physical Recuperation

Answer 6

Hormonal cycles during sleep; body functions with sleep deprivation

Question 7

Mental Recuperation

Answer 7

Poor performance and slowed learning when sleep-deprived.

Question 8

Polygraph Use

Answer 8

Measures electrical activity in the brain and body.

Question 9

EEG

Answer 9

Measures brain waves (Beta, Alpha, Theta, Delta).

Question 10

Stage 1+2

Answer 10

Transition between wakefulness and sleep, some Theta activity.
Theta activity with Sleep Spindles and K complexes.

Question 11

stage 3+4

Answer 11

Slow-wave sleep, Delta activity.

Question 12

REM Sleep

Answer 12

Beta and Theta activity, dreams, muscular paralysis.

Question 13

Sleep Cycles

Answer 13

Alternation between REM and non-REM sleep 4-6 times per night, 90-minute cycles.

Question 14

Circadian Rhythms

Answer 14

Daily cycles of sleep and wakefulness, usually cued by environmental stimuli.

Question 15

Basic-Rest-Activity Cycle (BRAC)

Answer 15

90-minute cycle regulating bodily activities and REM/non-REM sleep.

Question 16

Pons

Answer 16

Controls REM sleep with acetylcholine-releasing neurons (“REM-ON” neurons).

Question 17

Psychoactive Drugs

Answer 17

Drugs that act on the nervous system to alter consciousness, often increasing dopamine levels.