States of Consciousness Flashcards

Vocabulary flashcards based on lecture notes about states of consciousness, sleep, dreams, and drugs.

Sleep

A state of reduced awareness of surroundings.

EEG

Machine used to measure stages of sleep.

Alpha waves

Brain waves experienced at the onset of sleep.

Theta Waves

Brain waves produced during Stage 1 sleep.

Sleep spindles

Short bursts of rapid brain waves during Stage 2 sleep.

Delta waves

Slow brain waves produced during deep sleep (Stage 3).

Twilight State

Relaxed state just before falling asleep.

REM sleep

Rapid Eye Movement sleep; brain is very active, dreams occur, body is paralyzed.

REM Rebound

Increased intensity of REM sleep after sleep deprivation.

Night terror

Horrible dream occurring during NREM sleep.

Insomnia

Persistent problems falling asleep.

Narcolepsy

Unpredictable sleep attacks, falling directly into REM sleep due to lack of orexin.

Sleep Apnea

A person stops breathing during sleep.

Somnambulism

Sleep walking, often occurs during stage 4 sleep.

Manifest Content

The storyline of a dream according to Freud.

Latent Content

The underlying meaning of a dream according to Freud.

Activation-Synthesis Theory

Theory that the cerebral cortex tries to interpret random electrical activity during sleep.

Information-Processing Theory

Theory that dreams are a way to deal with daily stresses.

Hypnosis

Altered state of consciousness.

Posthypnotic suggestion

Suggestion made during hypnosis that is carried out after.

Posthypnotic amnesia

Forgetting what happened during hypnosis.

Drug Tolerance

The diminishing effect with regular dose of the same dose.

Withdrawal Symptoms

Symptoms that occur when you stop using a drug.

Stimulants

Drugs that speed up body processes.

Depressants

Drugs that slow down body processes.

Hallucinogens

Drugs that cause hallucinations.

Opiates

Drug with depressive and hallucinogenic qualities, agonist for endorphins, derived from the poppy plant.