A disorder in which a person wanders during early-night NREM sleep

a disorder in which the person stops breathing for brief periods while asleep

Theory that hypnosis is a normal state of consciousness in which people act the way they think hypnotized persons are supposed to act

An awareness of yourself and your surroundings that is noticeably different from your normal state of consciousness

Stimulant drugs which activate the sympathetic nervous system and increase dopamine and norepinephrine activity

Plant from which marijuana is produced

Stimulant drug which activates the sympathetic branch of the autonomic nervous system, raising body temperature, heart rate, and breathing, and reducing the desire for food and sleep (

Awareness of yourself and your surroundings

(MDMA) A stimulant drug that affects the brain cells that produce serotonin, a neurotransmitter that affects mood

Continued drug use despite it interfering with the drug user's behavior or social relationships

the tendency for larger doses of a drug to be required overtime to achieve the same effect

products of an altered state of consciousness in which images and fantasies are confused with reality

Psychoactive drugs that dramatically alter consciousness and produce hallucinations; also calledPsychedelics

Sensations and perceptions that occur without any external stimulation (p. 456); hearing or seeing things that are not there (p. 521)

The degree to which a person can enter a deep hypnotic state

A state of altered attention and awareness in which a person is unusually responsive to suggestions

(crystal meth) A very addictive stimulant that triggers the release of high levels of dopamine into the brain (

Psychoactive drug that is made from the Cannabis plant

A theory that hypnosis is an altered state with two streams of consciousness operating at the same time, one actively responding to suggestions and the other passively observing

Common, anxiety-producing dreams that occur during REM sleep among adults and children

A panic attack that generally occurs during early-night stage 4 NREM sleep in children between the ages of three and eight

A sleep disorder characterized by uncontrollable sleep attacks. The sufferer may lapse directly into REM sleep, often at inopportune times.

Occurs when a drug user experiences mental and emotional desires for the drug

Active phase in the sleep cycle during which dreaming occurs, characterized by rapid eye movements; also called Active sleep (p. 441)

the major active ingredient in marijuana

Regular bodily rhythms that occur on a 24-hour cycle

a disruption of circadian rhythms due to crossing time zones

a stimulating and highly addictive psychoactive drug in tobacco

A temporary condition in which a person is unable to move upon awakening in the morning or during the night.

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

mental exercises that focus attention and increase aware-ness

The hypnotized person can readily imagine unusual situations that differ from normal reality.

Instead of planning actions, the hypnotized person waits for the hypnotist to suggest thoughts or actions.

The hypnotized person focuses attention on the hypnotist's voice and ignores other stimuli. Even pain that is unbearable during the normal waking state is tolerated through this focused attention.

The hypnotized person tends to accept uncritically hallucinated experiences suggested by the hypnotist.

When instructed, the hypnotized person forgets all or most of what occurred during the hypnotic session. These memories are restored when the hypnotist later gives a prearranged signal.

which is the degree to which they can enter a deep hypnotic state. Individuals who are highly hypnotizable have the ability to concentrate totally on material outside themselves and to become absorbed in imaginative activities. Children are the most hypnotiz-able. Being able to fantasize is an important factor of hypnotizability, but this does not mean that highly hypnotizable people are more gullible than less hypnotizable people.

psychoactive drugs that slow down, or depress, the nervous system and decrease mental and physical activity. Depressants include alcohol, sedatives, tranquilizers, and narcotics.

the tolerance and physical dependence resulting from alcohol abuse. Alcoholism causes liver and heart disease, stroke, memory loss, cancer, malnutrition, and loss of sexual interest. People who start drinking at a young age are likely to abuse alcohol as adults.

Drugs (such as caffeine, nicotine, and the more powerful amphetamines, cocaine, and Ecstasy) that excite neural activity and speed up body functions.

Potent synthesized hallucinogenic drug that is structurally similar to the neurotransmitter serotonin

chemicals whose vapors are breathed in to produce a mind-altering effect. The act of breathing in the vapors is called sniffing, bagging, huffing, or inhaling. Inhalants are absorbed into the lungs and quickly travel through the bloodstream causing an immediate, but short-lived, high.