Psychology - Altered States Of Consciousness

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Consciousness

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A state of awareness including a person's feelings, sensations, ideas, and perceptions

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REM Sleep

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A state of sleep characterized by rapid eye movements, a high level of brain activity, a deep relaxation of the muscles, and dreaming.

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Circadian Rhythm

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The rhythm of activity and inactivity lasting approximately one day (The body's internal clock)

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Insomnia

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The failure to get enough sleep at night in order to feel rested the next day

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Sleep Apnea

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A sleep disorder in which a person has trouble breathing while asleep

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Narcolepsy

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A brain disorder characterized by suddenly falling asleep or feeling very sleepy during the day

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Nightmares

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Unpleasant dreams

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Night Terrors

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Sleep disruptions that occur during stage 4 of sleep, involving screaming, panic, or confusion; You don't remember these

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Sleepwalking

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Walking or carrying out behaviors while asleep

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Daydreams

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Require a low level of awareness and involves fantasizing, or idle but directed thinking, while still awake

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Hallucination

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Mental images in the brain without sensory information, originate directly from the brain

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Jet Lag

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When traveling to a different timezone your body takes time to get used to the time difference.

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Nathaniel Keitman

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A psychologist who stated that dreaming may not serve a function

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Francis Crick

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A psychologist who said dreaming was the brains way of removing unneeded memories

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Sigmund Freud

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A psychologist who stated dreams contain clues to thoughts you're afraid to acknowledge while awake

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Hypnosis

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A state of consciousness resulting from a narrowed focus of attention and characterized by heightened suggestibility

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Biofeedback

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The process of learning to control bodily states with the help of machines monitoring the states to be controlled

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Posthyprotic Suggestion

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A suggestion made during hypnosis that influences the participant's behavior afterward

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Meditation

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The focusing of attentions to clear one's mind and produce relaxation

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Psychoactive Drug

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A chemical substance that alters perceptions and mood

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Tolerance

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The diminishing effect with regular use of the same dose of a drug, requiring the user to take larger and larger doses before experiencing the drug's effect

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Widthdrawl

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The discomfort and distress that follow discontinuing the use of an addicting drug

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Physical Dependence

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A physiological need for a drug, marked by unpleasant withdrawl symptoms when the drug is discontinued

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Psychological Dependence

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A psychological need to use a drug, such as to relieve negative emotions

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Depressants

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Drugs (such as alcohol, barbiturates, and opiates) that reduce neural activity and slow body functions

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Stimulants

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Drugs such as caffeine, nicotine, and the most powerful amphetamines and cocaine, that excite neural activities and speed up body functions

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Hallucinogens

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Psychedelic drugs, such as LSD, that distorts perceptions and evoke sensory images in the absences of sensory input

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Marijuana

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The dried leaves and flowers of Indian hemp (Cannabis Sativa) that produce an altered state of consciousness when smoked or ingested

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LSD

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A potent psychedelic drug that produces distortions of perception and thought