Chapter 4: Consciousness

Created by MICHAPITZEN 

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50 terms

consciousness

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

hypnosis

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

psychoactive drugs

drugs that alter thinking, perception, and memory

microsleeps

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

insomnia

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

nicotine

the active ingredient in tobacco

psychogenic drugs

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

amphetamines

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

cocaine

a natural drug derived from the leaves of the coca plant

caffeine

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

depressants

drugs that decrease the functioning of the nervous system

narcotics

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

stimulants

drugs that increase the functioning of the nervous system

withdrawal

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

narcolepsy

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

nightmares

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

marijuana

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

psilocybin

natural hallucinogen found in certain mushrooms

MDMA (Ecstasy)

designer drug that can have both stimulant and hallucinatory effects

PCP

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

LSD

powerful sythetic hallucinogen

hallucinogens

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

methadone

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

heroin

narcotic drug derived from opium that is extrememly addictive

morphine

narcotic drug derived from opium, used to treat severe pain

opium

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

barbituates

depressant drugs that have a sedative effect

benzodiazepines

drugs that lower anxiety and reduce stress.

alcohol

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

Mescaline

natural hallucinogens derived from the peyote cactus buttons

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