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Consciousness

Terms in this set (36)

Consciousness
the state of being awake and aware of one's surroundings
REM Sleep
a kind of sleep that occurs at intervals during the night and is characterized by rapid eye movements, more dreaming and bodily movement, and faster pulse and breathing.
Sleep
a condition of body and mind such as that which typically recurs for several hours every night, in which the nervous system is relatively inactive, the eyes closed, the postural muscles relaxed, and consciousness practically suspended
Delta Waves
electrical activity of the brain at a frequency of around 1-8 Hz, typical of sleep. The resulting oscillations, detected using an electroencephalograph, are called delta waves.
Insomnia
habitual sleeplessness; inability to sleep
Sleep Apnea
Breathing repeatedly stops
Dream
a series of thoughts, images, and sensations occurring in a person's mind during sleep.
Latent Content
hidden meaning of a fantasy or dream
Hypnosis
the induction of a state of consciousness in which a person apparently loses the power of voluntary action and is highly responsive to suggestion or direction. Its use in therapy, typically to recover suppressed memories or to allow modification of behavior by suggestion, has been revived but is still controversial.
Dissociation
the disconnection or separation of something from something else or the state of being disconnected.
Tolerance
the ability or willingness to tolerate something, in particular the existence of opinions or behavior that one does not necessarily agree with.
Physical Dependence
refers to a state resulting from chronic use of a drug that has produced tolerance and where negative physical symptoms of withdrawal result from abrupt discontinuation or dosage reduction
Addiction
the fact or condition of being addicted to a particular substance, thing, or activity.
Barbiturates
any of a class of sedative and sleep-inducing drugs derived from barbituric acid.
Stimulants
a substance that raises levels of physiological or nervous activity in the body.
opiates
a drug with morphinelike effects, derived from opium
Hallucinogens
a drug that causes hallucinations, such as LSD.
Near-Death Experience
an unusual experience taking place on the brink of death and recounted by a person after recovery, typically an out-of-body experience or a vision of a tunnel of light.
Circadian Rhythm
a daily cycle of activity observed in many living organisms
Alpha Waves
he normal electrical activity of the brain when conscious and relaxed, consisting of oscillations ( alpha waves ) with a frequency of 8 to 13 hertz
Hallucinations
an experience involving the apparent perception of something not present.
NREM Sleep
a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time
Narcolepsy
a condition characterized by an extreme tendency to fall asleep whenever in relaxing surroundings
Night Terrors
feelings of great fear experienced on suddenly waking in the night.
Manifest Content
what we usually think of as the dream itself, and what Freudians see as surface, a disguise of the true latent dream material
REM Rebound
is the lengthening and increasing frequency and depth of rapid eye movement sleep which occurs after periods of sleep deprivation.
Posthypnotic Sugestion
a suggestion that is made to a person who is hypnotized that specifies an action he will perform (usually in response to a cue) after he has awakened
Psychoactive drugs
chemical substances that act on the central nervous system to alter mood, perception, behavior, and/or consciousness.
Withdrawal
the action of withdrawing something
Pschological Dependence
In the APA Dictionary of Psychology, psychological dependence is defined as "dependence on a psychoactive substance for the reinforcement it provide
Depressants
is a drug or endogenous compound that lowers neurotransmission levels, which is to depress or reduce arousal or stimulation, in various areas of the brain
Amphetamine
a synthetic, addictive, mood-altering drug, used illegally as a stimulant and legally as a prescription drug to treat children with ADD and adults with narcolepsy.
Methamphetamine
a synthetic drug with more rapid and lasting effects than amphetamine, used illegally as a stimulant and as a prescription drug to treat narcolepsy and maintain blood pressure.
Ecstacy
an overwhelming feeling of great happiness or joyful excitement
LSO
Orthosis (brace) that traverses the listed areas
THC
A compound, C21H30O2, obtained from cannabis or made synthetically, that is the primary intoxicant in marijuana and hashish.
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