Psy 110.4

A person's awareness of everything that is going on around him or her at any given moment, which is used to organize behavior.

State in which thoughts, feelings and sensations are clear, organized and the person feel alert.

State in which there is a shift in the quality or pattern of mental activity as compared to waking consciousness.

A cycle of bodily rhythm that occurs over a 24-hour period.

Area in the hypothalamus tht is sensitive to daylight and controls the body's sleep-wake cycle.

Brief sidesteps into sleep lasting only a few seconds.

Any significant loss of sleep, resulting in problems in concentration and irratibility.

Theory of sleep proposing that animals and humans evolved sleep patterns to avoid predators, sleeping when preadotrs are most active.

Theory of sleep proposing that sleep is necessary to the physical health of the body and serves to replenish chemicals and repair cellular damage.

Stage of sleep in which the eyes move rapidly under the eyelids and the person is typically experiencing a dream.

Any of the stages of sleep that do not include REM.

Brain waves that indicate a state of relaxation or light sleep.

Brain waves indicating the early stages of sleep.

Long, slow waves that indicate the deepest stage of sleep.

The inability of the voluntary muscles to move during REM sleep.

Increased amounts of REM sleep after being deprived of REM sleep on earlier nights.

Bad dreams occurring during REM Sleep.

A rare disorder in which the mechanism that blocks the movement of the voluntary muscles fails, allowing the person to thrash around and even get up and act out nightmares.

Occurring during deep sleep, an episode of moving around or walking around in one's sleep.

Relatively rare disorder in which the person experiences extreme fear and screams or runs around during sleep without waking fully.

Inability to get to sleep, stay alseep or get a good quality of sleep.

Disorder in which the person stops breathing for nearly half a minute or more.

Sleep disorder in which a person falls immediately in REM sleep during the day without warning.

Explanation that states that dreams are created by the higher centers of the cortex to explain the activation by the brain stem of cortical cells during REM sleep periods.

Revised version of the activation-synthesis explanation of dreams in which information that is accessed during waking hours can have an influence on the synthesis of dreams.

State of consciousness in which the person is especially susceptible to suggestion.

Theory that assumes that people who are hypnotized are not in an altered state but are merely playing the role expected of them in the situation.

Drugs that alter thinking, perception and memory.

Condition occurring when a person's body becomes unable to function normally without a particular drug.

Physical symptoms that can include nausea, pain, tremors, crankiness and high blood pressure, resulting from a lack of an addictive drug in the body systems.

The feeling that a drug is needed to continue a feeling of emotional or psychological well-being.

Drugs that increase the functioning of the nervous system.

Drugs that decrease the functioning of the nervous system.

A class of opium-related drugs that suppress the sensation of pain by binding to and stimulating the nervous system's natural receptor sites for endorphine.

Drugs including hallucinogens and marijuana that produce hallucinations or increased feelings of relaxation and intoxication.

Stimulants that are synthesized (made) in laboratories rather than being found in nature.

A natural drug derived from the leaves of the coca plant.

The active ingredient in tobacco.

A mild stimulant found in coffee, tea and several other plant-based substances.

Depressant drugs that have a sedative effect.

Drugs that lower anxiety and reduce stress.

A chemical resulting from the fermentation or distillation of various kinds of vegetable matter.

Substance derived from the opium poppy from which all narcotic drugs are derived.

Narcotic drug derived from opium, used to treat severe pain.

Narcotic drug derived from opium that is extremely addictive.

Drugs that cause false sensory messages, altering the perception of reality.

Powerful synthetic hallucinogen.

Synthesized drug now used as an animal tranqulizer that can cause stimulatn, depressent, narcotic and hallucinogenic effects.

Designer drug that can have both stimulant and hallucinatory effects.

Drugs that produce a mixture of pshchomotor stimulant and hallucinogenic effects.

Natural hallucinogen derived from the peyote cactus buttons.

Natural hallucinogen found in certain mushrooms.

Mild hallucinogen (also know as pot or weed) derived from the leaves and flowers of a particular type of hemp plant.

An involuntary muscle twitch which often occurs during the transition from wakefulness to sleep.

Term coined by Sigmund Freud to identify the real or "hidden" meaning of a dream.

Term coined by Sigmund Freud to identify the actual or "apparent" content of a dream.

Hormone released from the pineal gland that is associated with the sleep-wake cycle.

Narcot drug derived from opium used to treat heroin addiction.

Bursts of brain wave activity seen on an EEG during Stage 2 sleep.