Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


a person's awareness of everything that is going on around him or her at any given moment

waking consciousness

state in which thoughts, feelings, and sensations are clear, organized, and the person feels alert

altered states of consciousness

state in which there is a shift in the quality or pattern of mental activity as compared to waking consciouness

circadian rhythm

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

pathways to altered states of consciousness

drugs, daydreaming, hypnosis, meditation

sleep walking

occuring during sleep, an episode of moving around or walking around in one's sleep

amount of sleep needed

7-8 hrs


state of consciousness in which the person is especially susceptible to suggestion

psychoactive drugs

drugs that alter thinking, perception, and memory


brief sidesteps into sleep only lasting a few seconds

sleep deprivation

any significant loss of sleep, resulting in problems in concentration and irritability

adaptive theory

theory of sleep proposing that animals and humans evolved sleep patterns to avoid preditors by sleeping when predidtors are most active

restorative theory

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

rapid eye movement (REM)

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

non- REM (NREM)

any of the stages of sleep that do not include REM


the inability to get sleep, stay asleep, or get a good quality of sleep

alpha waves

brain waves that indicate a state of relaxation or light sleep

theta waves

brain waves indicating the early stages of sleep

delta waves

long slow waves that indicate the deepest state of sleep

sleep apnea

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


the active ingredient in tobacco

psychogenic drugs

drugs including hallucinogens and marajuana that produce hallucinations or increased feeling of relaxation and intoxication


stimulants that are synthsized (made) in labs rather than being found in nature


a natural drug derived from the leaves of the coca plant


a mild stimulant found in coffee, tea, and several other plant based substances

psychological dependence

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


drugs that decrease the functioning of the nervous system


a class of opium- related drugs that supress the sensation of pain by binding to and stimulating the nervous system's natural receptor sites for endorphins


drugs that increase the functioning of the nervous system


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


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

night terrors

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


bad dreams occuring during REM sleep

REM behavior disorder

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


mild halluncinogen derived from the leaves and flowers of a particular type of hemp plant


natural hallucinogen found in certain mushrooms

MDMA (Ecstasy)

designer drug that can have both stimulant and hallucinatory effects


sythesized drug now used as an animal tranquilizer that can cause stimulant, depressant, narcotic, hallucinogenic effects


powerful sythetic hallucinogen


drugs that cause false sensory messages, altering the perception of reality


opium derivative without euphoric "high". Used to control heroin dependecy


narcotic drug derived from opium that is extrememly addictive


narcotic drug derived from opium, used to treat severe pain


substance derived from the opium poppy from which all narcotic drugs are derived

Endorphin receptor site

where narcotics bind to and stimulate. Deadens pain sensations

signs of alcoholism

guilt from drinking, drinking in the morning, drinking to recover from drinking, drinking alone, sensetivity when others mention amount of drinking, regret saying or doing something while drinking, blackouts, memory loss, drinking too fast, lying about drinking, passing out


depressant drugs that have a sedative effect


drugs that lower anxiety and reduce stress.


the chemical resulting from fermentation or distillation of variouskinds of vegetable matter


natural hallucinogens derived from the peyote cactus buttons

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording