Module #9 Vocab

Question 1

Sleep

Answer 1

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

Question 2

Circadian Rhythm

Answer 2

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

Question 3

REM Sleep

Answer 3

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 and brain systems are active. (Sometimes called R sleep)

Question 4

Alpha Waves

Answer 4

the relatively slow brain waves of a relaxed, awake state

Question 5

Hallucinations

Answer 5

sensory experiences without sensory stimulation, such as seeing something in the absence of an external visual stimulus

Question 6

Delta Waves

Answer 6

the large, slow brain waves associated with deep sleep

Question 7

Suprachiasmatic Nucleus (SCN)

Answer 7

a pair of cell clusters in the hypothalamus that controls circadian rhythm. In response to light, the SCN causes the pineal gland to adjust melatonin production, thus modifying our feelings of sleepiness

Question 8

Insomnia

Answer 8

recurring problems in falling or staying asleep

Question 9

Narcolepsy

Answer 9

a sleep disorder characterized by uncontrollable sleep attacks

Question 10

Sleep Apnea

Answer 10

a sleep disorder characterized by temporary cessations of breathing during sleep and repeated momentary awakenings

Question 11

REM Sleep Behavior Disorder

Answer 11

a sleep disorder characterized by acting out dreams while sleeping, through physical movements (such as kicking or striking out) and vocal behaviors (such as talking or yelling)

Question 12

Night Terrors

Answer 12

a sleep disorder characterized by high arousal and an appearance of being terrified; unlike nightmares, night terrors occur during N3 sleep, within 2 or 3 hours of falling asleep, and are seldom remembered

Question 13

Dream

Answer 13

a sequence of images, emotions, and thoughts passing through a sleeping person’s mind

Question 14

Manifest Content

Answer 14

according to Freud, the symbolic, remembered story line of a dream (as distinct from its latent, or hidden, content)

Question 15

Latent Content

Answer 15

according to Freud, the underlying meaning of a dream (as distinct from its manifest content)

Question 16

REM Rebound

Answer 16

the tendency for REM sleep to increase following REM sleep deprivation