Circadian rhythm refers to

Fast and jerky movements of the eyes are especially likely to be associated with

Jordanna has decided to go to bed early. Although her eyes are closed and she's very relaxed, she has not yet fallen asleep. An EEG is most likely to indicate the presence of

Delta waves are most clearly associated with ________ sleep.

At 3 o'clock in the morning, John has already slept for 4 hours. As long as his sleep continues, we can expect an increasing occurrence of

Forty-year-old Lance insists that he never dreams. Research suggests that he probably

The human sleep cycle repeats itself about every

The circadian rhythm is influenced by light-sensitive retinal proteins that trigger signals to the

Exposure to bright light causes the

Traffic accident rates have been found to ________ after the spring change to daylight savings time and to ________ after the fall change back to standard time.

A recurring difficulty in falling or staying asleep is called

Narcolepsy is a disorder in which a person

Night terrors typically occur during ____ sleep

Increased activity in the ________ during REM sleep may best explain why dream images are often accompanied by a strong emotional tone.

Brain damage to the ____ lobe can result in an inability to dream.

The need to take larger and larger doses of a drug in order to experience its effects is an indication of

When Celeste was unable to obtain her regular supply of heroin, she began to develop pain and an intense craving for the drug. Celeste was experiencing symptoms of

Physical pain and intense cravings indicate

Although Max never experiences caffeine withdrawal symptoms, he feels that he needs coffee every morning as part of his daily routine. Max best illustrates

Depressants are drugs such as

Cocaine is classified as a(n)

Psychedelic drugs that distort perceptions and evoke sensory images in the absence of sensory input are called

Which of the following is a psychedelic drug?

THC, the active ingredient in ________, is classified as a ________.