PSYC 255 Chapter 13

Diurnal is to nocturnal as: A) night is to day. B) sleep is to activity. C) activity is to sleep. D) day is to night

D) day is to night.

The day-night cycle that influences sleeping and waking is called: A) circadian rhythm. B) diurnal rhythm. C) nocturnal rhythm. D) metabolic rhythm.

A) circadian rhythm.

_____ is influenced by daily biorhythms. A) Body temperature B) Metabolic rate C) Sexual drive D) All of the answers are correct.

D) All of the answers are correct.

Our biological rhythms are influenced by: A) the earth orbiting around the sun. B) the rotational axis of the planet. C) light. D) All of the answers are correct.

D) All of the answers are correct.

Daily fluctuations in the rhythmical movement of plant leaves come from: A) temperature changes. B) conditions within the plant. C) sunlight changes. D) changes in the electromagnetic field.

B) conditions within the plant.

The time required for a complete cycle of activity is called a(n): A) biological rhythm. B) cycle. C) period. D) epoch

C) period.

Migratory cycles of birds are examples of: A) circannual rhythms. B) circadian rhythms. C) ultradian rhythms. D) infradian rhythms.

A) circannual rhythms.

Daily body-temperature changes are an example of: A) circannual rhythm. B) circadian rhythm. C) ultradian rhythm. D) infradian rhythm.

B) circadian rhythm.

Eating behavior is an example of: A) circadian rhythm. B) ultradian rhythm. C) infradian rhythm. D) circannual rhythm

B) ultradian rhythm.

Ultradian rhythms have a period of _____, while infradian rhythms have a period of _____. A) less than one day; more than one day but less than one year B) more than one day but less than one year; less than one day C) one day; less than one day D) less than one day; one day

A) less than one day; more than one day but less than one year

When all external cues are removed, animals develop a free-running rhythm. The freerunning rhythm of a human is: A) 24 hours. B) more than 24 hours. C) less than 24 hours. D) inconsistent and vastly different for all people.

B) more than 24 hours.

A free-running rhythm is: A) determined by temperature. B) determined by light. C) determined from within the body. D) determined by temperature and light and from within the body.

C) determined from within the body.

When all external cues are removed (e.g., living in a dark, windowless basement) humans will start: A) going to bed earlier and earlier every night. B) going to bed later and later each night. C) eating less and less. D) There is no change in sleep-wake cycle.

B) going to bed later and later each night.

A biological clock that is entrained: A) is a free-running rhythm. B) has been reset by a Zeitgeber. C) has been temporarily terminated by a hormonal change. D) is the same as a sequence of rhythms.

B) has been reset by a Zeitgeber.

If sparrows are tested in constant light, their free-running periods are _____, whereas if they are tested in constant darkness, their free-running periods are _____. A) more than 24 hours; less than 24 hours B) less than 24 hours; more than 24 hours C) absent; extended D) extended; absent

A) more than 24 hours; less than 24 hours

The clock on most computers is continually updated and reset via an Internet connection to a time server. In this example the time server acts as a(n): A) circadian rhythm. B) Zeitgeber. C) free-running rhythm. D) infradian rhythm.

B) Zeitgeber.

Which of the following is likely the most potent Zeitgeber? A) eating times B) darkness C) light D) temperature

C) light

Cues that maintain rhythmicity are known as: A) circadian rhythms. B) cyclers. C) pacemakers. D) Zeitgebers.

D) Zeitgebers.

Which of the following would be the most effective treatment for your friend who seems to develop seasonal affective disorder during the winter? A) alcohol B) a high-carbohydrate diet C) phototherapy D) vitamin C

C) phototherapy

One of the most common treatments for the control of seasonal affective disorder is: A) benzodiazepines. B) white light. C) seconal. D) sodium amytal.

B) white light.

Research has shown that Zeitgebers are most effective: A) at sunrise. B) at sunset. C) during the night. D) at sunrise and sunset.

D) at sunrise and sunset.

Morning light resets the biological clock by _____, whereas evening darkness resets the biological clock by _____. A) moving it backward; moving it forward B) moving it forward; moving it forward again C) moving it backward; moving it backward again D) moving it forward; moving it backward

D) moving it forward; moving it backward

Shift workers (e.g., working 7 p.m. to 3 a.m.) tend to develop: A) insomnia. B) hypersomnia. C) metabolic syndrome. D) anxiety problems.

C) metabolic syndrome.

Jet lag would be the worst if you were flying: A) from Boston to London. B) from Paris to Rome. C) from London to New York. D) from Paris to London.

A) from Boston to London.

According to a study by Curt Richter, running, eating, and drinking no longer occurred at appropriate times following lesions to the: A) orbitofrontal cortex. B) thalamus. C) hypothalamus. D) tectum.

C) hypothalamus.

The suprachiasmatic nucleus is located in the: A) optic chiasm. B) thalamus. C) hypothalamus. D) cerebellum

C) hypothalamus.

The brain's master clock is housed in the: A) pineal gland. B) caudate nucleus. C) pituitary gland. D) suprachiasmatic nucleus.

D) suprachiasmatic nucleus.

If inputs and outputs from the suprachiasmatic nucleus (SCN) are severed, its neurons: A) increase their rates of firing. B) decrease their rates of firing. C) cease firing altogether. D) continue to fire at the same rate as before.

D) continue to fire at the same rate as before.

Which of the following would describe the electrical activity of neurons in a rat's suprachiasmatic nucleus if it were removed and placed in a dish? A) The rhythm of the neurons would speed up. B) The rhythm of the neurons would slow down. C) There would be no change in the rhythm of the neurons. D) It would lose all rhythm.

C) There would be no change in the rhythm of the neurons.

If you separated the neurons of the suprachiasmatic nucleus, put them in a dish, and then recorded from the cells: A) all rhythmicity would be gone. B) each of the cells would have a slightly different rhythm. C) all of the cells would have the same rhythm. D) there would be no activity because all the inputs would be gone.

B) each of the cells would have a slightly different rhythm.

Light information reaches the suprachiasmatic nucleus via the: A) lateral geniculate pathway. B) occipital cortex. C) thalamic pathway. D) retinohypothalamic pathway.

D) retinohypothalamic pathway.

Cells in the suprachiasmatic nucleus use the neurotransmitter _____ to help them act in synchrony. A) dopamine B) norepinephrine C) glutamate D) GABA

D) GABA

The suprachiasmatic nucleus receives light-related inputs from retinal ganglion cells containing: A) melanopsin. B) rhodopsin. C) retinol. D) vitamin A

A) melanopsin.

Which of the following structures does NOT send inputs to the suprachiasmatic nucleus? A) intergeniculate leaflet B) raphe nucleus C) retinohypothalamic tract D) tectopulvinar tract

D) tectopulvinar tract

The effects of lesioning the suprachiasmatic nucleus can be reversed by: A) intense exposure to light. B) electrical stimulation. C) transplants of SCN cells. D) stem cell transplants.

C) transplants of SCN cells.

If a female rat is lesioned in the suprachiasmatic nucleus, so her behavior is no longer rhythmic, and she subsequently becomes pregnant, her pups will: A) fail to develop a circadian rhythm. B) have to learn rhythmic behavior by watching intact rats. C) develop a normal circadian rhythm. D) adopt nocturnal rhythms

C) develop a normal circadian rhythm.

Rhythmicity in the suprachiasmatic nucleus likely: A) is learned. B) originated elsewhere in the brain. C) is genetically determined. D) developed as the result of sunlight.

C) is genetically determined.

. Eating, body temperature, and motor activity are hypothesized to be driven by: A) pacemakers. B) slave oscillators. C) entrainment cells. D) phase modulators

B) slave oscillators.

Lesions to the suprachiasmatic nucleus: A) abolish eating. B) abolish sleep. C) disrupt the timing of sleep and eating. D) have no effect on either eating or sleeping.

C) disrupt the timing of sleep and eating.

Which of the following neural structures functions as a pacemaker? A) lateral geniculate nucleus B) amygdala C) suprachiasmatic nucleus D) hypothalamic nucleus

C) suprachiasmatic nucleus

The suprachiasmatic nucleus entrains slave oscillators via connection(s) with the: A) thalamus. B) hypothalamus. C) pituitary. D) All of the answers are correct.

D) All of the answers are correct.

____ promote(s) rest and relaxation, whereas _____ promote(s) arousal. A) Glucocorticoids; melatonin B) Melatonin; glucocorticoids C) GABA; melatonin D) Glucocorticoids; GABA

B) Melatonin; glucocorticoids

The suprachiasmatic nucleus controls the release of the hormone(s): A) melatonin. B) glucocorticoid. C) thyroid-stimulating hormone. D) melatonin and glucocorticoid.

D) melatonin and glucocorticoid.

Melatonin is released primarily during the _____ of the circadian cycle. A) dark B) light C) midday portion D) early morning portion

A) dark

Which of the following sequences accurately depicts the process by which rhythms are linked to hormones? A) suprachiasmatic nucleus, slave oscillators, hormone release B) slave oscillators, suprachiasmatic nucleus, hormone release C) hormone release, suprachiasmatic nucleus, slave oscillators D) suprachiasmatic nucleus, hormone release, slave oscillators

A) suprachiasmatic nucleus, slave oscillators, hormone release

Melatonin is secreted by the: A) suprachiasmatic nucleus. B) pineal gland. C) gonads. D) hypothalamus.

B) pineal gland.

Male hamsters who are exposed to _____ light levels have enlarged gonads, whereas male hamsters who are exposed to _____ light levels have smaller gonads. A) increased; decreased B) decreased; increased C) constant; decreased D) increased; constant

A) increased; decreased

Rats trained to associate a particular place with the delivery of a small electric shock tend to show poorest recall for the association when they are tested at: A) a consistent time of day. B) varying times of day. C) a consistent location. D) both a consistent location and a consistent time of day

B) varying times of day.

Electromyography (EMG) measures: A) brain wave activity. B) muscle activity. C) eye movements. D) heart rate.

B) muscle activity.

Electrooculography (EOG) measures: A) brain wave activity. B) muscle activity. C) eye movements. D) heart rate

C) eye movements.

Sleep is commonly measured using an: A) electroencephalograph. B) electromyograph. C) electrooculograph. D) All of the answers are correct.

D) All of the answers are correct.

What is the correct order of EEG patterns, from lowest to highest frequency? A) alpha, beta, delta B) beta, alpha, delta C) delta, alpha, beta D) delta, beta, alpha

C) delta, alpha, beta

A waking EEG rhythm is the same as: A) alpha rhythm. B) beta rhythm. C) delta rhythm. D) theta rhythm.

B) beta rhythm.

Which of the following rhythms occurs during sleep? A) alpha rhythm B) beta rhythm C) delta rhythm D) theta rhythm

C) delta rhythm

The EEG patterns taken from skull recordings of REM sleep are characterized by: A) low-frequency waves, as if the person were awake. B) low-frequency waves similar to those found in stage 4 sleep. C) high-frequency waves, as if the person were awake. D) high-frequency waves similar to those found in stage 2 sleep.

C) high-frequency waves, as if the person were awake.

The data collected when subjects are awakened at various times suggest that _____ is the deepest sleep. A) stage 1 B) stage 2 C) stage 3 D) stage 4

D) stage 4

REM (rapid eye movement) sleep occurs during: A) stage 1. B) stage 2. C) stages 3 and 4. D) None of the answers is correct.

D) None of the answers is correct.

3. Body temperature _____ during NREM sleep and _____ during REM sleep. A) decreases; increases B) stays constant; decreases C) stays constant; increases D) increases; decreases

A) decreases; increases

In the first part of a night's sleep, _____ sleep is prominent, whereas in the second part, _____ sleep dominates. A) REM; NREM B) NREM; REM C) stage 1; stage 3 D) stage 3; stage 1

B) NREM; REM

REM sleep is most frequent in: A) children. B) adolescents. C) middle age. D) the elderly

A) children.

Adults spend _____ in REM sleep than children. A) more time B) less time C) the same amount of time D) Children do not engage in REM sleep.

B) less time

Someone who feels tingling and pain in the legs at night when trying to sleep may have: A) poor blood circulation. B) had too much caffeine during the day. C) restless legs syndrome. D) sleep dystonia.

C) restless legs syndrome.

Restless legs syndrome is most common in: A) men. B) women. C) teenagers. D) seniors

B) women.

Restless legs syndrome is sometimes treated with: A) l-dopa B) SSRIs C) benzodiazepines D) haloperidol

A) l-dopa

Sleepwalking can occur in: A) all stages of NREM sleep. B) stage 4 sleep. C) REM sleep. D) stage 1 sleep.

B) stage 4 sleep.

Victoria is watching her cat sleep on the floor. The cat is sprawled out and its legs seem to be twitching. It would appear that her cat is in _____. A) stage 2 sleep B) stage 3 sleep C) stage 4 sleep D) REM sleep

B) stage 3 sleep

Dreaming occurs most commonly during: A) stage 1 and 2 sleep. B) stage 3 and 4 sleep. C) REM sleep. D) all five stages of sleep

C) REM sleep.

Night terrors, or brief, frightening dreams, occur during: A) REM sleep. B) stage 2 and 3 sleep. C) stage 3 and 4 sleep. D) stage 2, 3, and 4 sleep

D) stage 2, 3, and 4 sleep.

Studies of dream content revealed that most dreams are associated with: A) sex. B) happiness. C) sadness and anger. D) sensations of falling.

C) sadness and anger.

The theory that dreams signify distant human memories was expounded by: A) Sigmund Freud. B) Carl Jung. C) J. Allan Hobson. D) Anttio Revonsuo.

B) Carl Jung.

According to psychoanalysts, the _____ of dreams was important, as it might reveal insight into the patient's problems. A) manifest content B) sexual content C) latent content D) frequency

C) latent content

According to the _____ hypothesis, dreams are taken from an individual's personal memories and experience but have no meaning. A) Freudian B) activation-synthesis C) Jungian D) evolutionary

B) activation-synthesis

The coping hypothesis of dreams was expounded by: A) Sigmund Freud. B) Carl Jung. C) J. Allen Hobson. D) Anttio Revonsuo.

D) Anttio Revonsuo.

As a general rule _____ tend to sleep more than _____. A) predators; prey B) prey; predators C) humans; cats D) dogs; cats

A) predators; prey

Which of the following sleeps the most? A) opossum B) human C) cat D) donkey

A) opossum

For humans, the basic rest-activity cycle is approximately: A) 1 hour. B) 1.5 hours. C) 3.5 hours. D) 4 hours.

B) 1.5 hours.

Sleep-deprived subjects: A) show adverse physiological consequences. B) show poor cognitive performance. C) cannot complete complex tasks. D) All of the answers are correct.

B) show poor cognitive performance.

The most likely function of sleep is: A) the restoration of tissue. B) still not definitively known. C) the consolidation of memories. D) the expression of repressed feelings

B) still not definitively known.

A brief period of sleeping lasting a second or so is known as: A) a minisleep. B) a nap. C) a microsleep. D) passing out.

C) a microsleep.

People who are deprived of REM sleep: A) show an increased tendency to enter REM sleep later. B) become mentally unstable. C) sleepwalk. D) need to sleep for twice as long as normal.

A) show an increased tendency to enter REM sleep later.

REM sleep can be abolished by: A) lower brainstem damage. B) tricyclic antidepressants. C) serotonin reuptake inhibitors. D) All of the answers are correct

D) All of the answers are correct.

Loss of REM sleep can result from damage to the: A) lower brainstem. B) hippocampus. C) upper brainstem D) cerebellum.

A) lower brainstem.

Sleep spindles and K complexes are associated with: A) REM sleep. B) NREM sleep. C) dreaming. D) daydreaming.

B) NREM sleep.

Some researchers have suggested that NREM sleep is critical for _____, whereas REM sleep is critical for _____. A) habitual memory consolidation; implicit memory consolidation B) explicit memory consolidation; implicit memory consolidation C) motor memory; factual memory D) restorative processes; memory

B) explicit memory consolidation; implicit memory consolidation

Stimulation of the reticular activating system results in _____ in the EEG. A) desynchronization B) spindle activity C) rhythmic activity D) large, slow waves

A) desynchronization

Damage to the brainstem can result in: A) narcolepsy. B) insomnia. C) coma. D) hyperactivity.

C) coma.

Which of the following neurotransmitters are likely responsible for waking? A) serotonin and dopamine B) serotonin and acetylcholine C) acetylcholine and dopamine D) acetylcholine and GABA

B) serotonin and acetylcholine

_____ is responsible for the waking associated with being still and alert, whereas _____ is responsible for the waking associated with movement. A) Serotonin; norepinephrine B) Norepinephrine; serotonin C) Acetylcholine; serotonin D) Serotonin; acetylcholine

C) Acetylcholine; serotonin

You are driving on the highway at night and you are getting very sleepy. To keep yourself awake you can stimulate your serotonergic neurons by: A) drinking coffee. B) listening to music. C) shaking your head or stretching. D) having a snack.

C) shaking your head or stretching.

The _____ initiates REM sleep. A) medial pontine reticular formation B) inferior olivary nucleus C) suprachiasmatic nucleus D) peribrachial area

D) peribrachial area

The atonia associated with REM sleep is controlled by the: A) peribrachial area. B) medial pontine reticular formation. C) subcoerulear nucleus. D) raphe nuclei.

C) subcoerulear nucleus.

The _____ initiates the rapid eye movements that occur during REM sleep. A) peribrachial area B) medial pontine reticular formation C) subcoerulear nucleus D) raphe nuclei

B) medial pontine reticular formation

An insomniac is a person who: A) sleeps excessively. B) falls asleep without warning. C) cannot sleep. D) sleeps only during the day.

C) cannot sleep.

Insomnia can be caused by: A) anxiety. B) depression. C) sleeping pills. D) anxiety, depression, and sleeping pills.

D) anxiety, depression, and sleeping pills.

Sleeping pills commonly: A) become addictive. B) deprive a person of REM sleep. C) cause rebound insomnia. D) All of the answers are correct.

D) All of the answers are correct.

Narcolepsy can be treated with: A) opioids. B) Ritalin. C) SSRIs. D) antipsychotic drugs

B) Ritalin.

A person who suddenly falls down and is temporarily paralyzed most likely has: A) narcolepsy B) cataplexy. C) hypnogogy. D) apnea.

B) cataplexy

A person who snores and is very overweight is at risk for developing: A) restless legs syndrome. B) narcolepsy. C) sleep apnea. D) seasonal affective disorder.

C) sleep apnea.

Hypnogogic hallucinations are associated with: A) narcolepsy. B) cataplexy. C) sleep apnea. D) REM without atonia

B) cataplexy.

Research into the neural basis of cataplexy has shown that during episodes of cataplexy

D) neurons in the subcoerulear nucleus become inactive and neurons in the magnocellular nucleus of the medulla become active.