Question 1

Which of the following best describes the difference between REM and NREM sleep?

Accepted Answer

REM sleep involves rapid eye movements and vivid dreaming, while NREM sleep is marked by slower brain waves and less frequent dreaming.

Question 2

A person is able to drive and talk on their cell phone at the same time. According to research on consciousness and attention, what is the most likely explanation for their ability to multitask?

Accepted Answer

Driving may become an automatic process due to practice, allowing attention to be split between driving and talking.

Question 3

Which sleep stage is most associated with sleep spindles and K-complexes?

Accepted Answer

Stage 2

Question 4

A patient reports frequent nightmares, sleepwalking, and night terrors. Which sleep disorder is most likely present?

Accepted Answer

Parasomnia

Question 5

Which of the following is a plausible reason why we do not remember most of our dreams?

Accepted Answer

Dreams are stored in short-term memory, which is easily disrupted upon waking.

Question 6

Which of the following best describes a hallucinogen?

Accepted Answer

A drug that alters perception, mood, and cognitive processes, often causing sensory distortions.

Question 7

A researcher wants to study the effects of a stimulant on reaction time. Which of the following drugs would be most appropriate to use?

Accepted Answer

Caffeine

Question 8

Which of the following is a characteristic of REM sleep?

Accepted Answer

Rapid eye movements and low muscle tone.

Question 9

A person is sleep deprived for several days. Which of the following symptoms are they most likely to experience?

Accepted Answer

Decreased reaction time and impaired judgment.

Question 10

Which of the following best describes the concept of a circadian rhythm?

Accepted Answer

A biological process that follows a roughly 24-hour cycle, regulating sleep and wakefulness.

Question 11

Which of the following is an example of a depressant drug?

Accepted Answer

Alcohol

Question 12

A person claims to remember events from when they were an infant. What is the most likely explanation for this phenomenon?

Accepted Answer

They are experiencing false memories, as most people cannot remember events from infancy.

Question 13

Which of the following best describes the function of sleep according to the restorative theory?

Accepted Answer

Sleep helps restore and repair the body and mind.

Question 14

Which of the following is a symptom of insomnia?

Accepted Answer

Difficulty falling or staying asleep.

Question 15

A person experiences vivid dreams and muscle paralysis. Which sleep stage are they most likely in?

Accepted Answer

REM sleep

Question 16

Which of the following is a plausible effect of chronic use of hallucinogens?

Accepted Answer

Altered perception and possible persistent psychosis.

Question 17

Which of the following best describes the role of delta waves in sleep?

Accepted Answer

Delta waves occur during deep NREM sleep and are associated with restorative processes.

Question 18

A person is hypnotized and asked to recall a childhood event. What is a major problem with 'hypnotically retrieved' memories?

Accepted Answer

They are susceptible to suggestion and may be false or distorted.

Question 19

Which of the following is a characteristic of stimulants?

Accepted Answer

They increase alertness, energy, and heart rate.

Question 20

Which of the following best describes the concept of sleep debt?

Accepted Answer

The amount of sleep lost that must be made up to restore normal functioning.

Consciousness: Sleep, Dreams, Hypnosis, Drugs, and Learning – Study Guide

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