Psy Ch 4

Xi needs to stay awake another hour to study for his English final, so he drinks several cups of cola. When he's done studying, he finds that he can't sleep even though he wants to, he feels agitated, his muscles twitch, his heartbeat is irregular, and he feels nauseated. What is causing Xi to feel this way?

caffeine

The ________ rhythm is the biological rhythm that occurs over approximately 24 hours.

circadian

Ali is aware of his feelings, emotions, and thoughts. He is also aware of his surroundings, the warmth of the sun, and the sound of nearby traffic. Ali is in a state of ________.

consciousness

The sleep debt is the result of ________.

insufficient sleep on a chronic basis

In a ________ dream, people become aware that they are dreaming and can control the dream's content.

lucid

Samek was driving to work when he suddenly felt paralyzed and couldn't resist falling asleep. Samek may have ________.

narcolepsy

The need to take a drug in order to avoid withdrawal symptoms is an indication of _____.

physical dependence

Tariq depends on cigarettes to relieve his stress, though he smokes so infrequently that he experiences no significant, noticeable physical symptoms when he is not smoking. What does this exemplify?

psychological dependence

Eric had a sleep-related experience where he reported feeling strapped down and unable to move or examine much of his surroundings. This inability to move that occurs just after falling asleep or just before waking up is called

sleep paralysis

Individuals undergoing hypnosis ________.

usually have clear memories of the hypnotic experience and are in control of their own behaviors

In what stage of sleep do sleep spindles appear?

2

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

Electroencephalograph (EEG)

Sleep research has continually shown that children spend more of their night getting deep sleep than do adults. This deep sleep corresponds to what stage(s) of sleep?

Stages 3 and 4

The ________ wave is characteristic of stage 1 sleep.

alpha

Tayla smokes marijuana. At first, just a few inhalations were enough to cloud her mind. Over time, she needs to smoke more and more to achieve the same affect. This is an example of ________.

tolerance

Melatonin release is stimulated by ________ and inhibited by ________.

darkness; light

Alcohol is considered a ________ because it tends to suppress central nervous system activity.

depressant

____________ involves the feelings of reliving an experience when it is in fact a new experience.

Déjà vu

Nestor is in the middle of a fantastic dream. What is his body doing?

Nothing

Mohammed is sleeping. His eyelids are quivering because his eyes are darting around. Mohammed is probably experiencing ________ sleep.

REM