Psychology 2 CFE Dreams, Sleep, and Drug Vocab

Hypnagogic state/sleep

Transitional phase between wakefulness and sleep, during which vivid sensory experiences occur. (ex. lucid dreams, sleep paralysis)

REM

Rapid Eye Movement

NREM

Non-Rapid Eye Movement. 75-80% of total sleep. Divided into three stages.

Stage 1 Sleep

Transition from wakefulness to sleep. Hypnic jerks and feelings of falling. 5-10%

Stage 2 Sleep

Slowing of brainwaves, body temperature drops, heart rate slows, muscles relax. 50%

Stage 3 Sleep

Slow Wave Sleep. Slow brain waves, physical recovery, immune system function, cellular repair. Waking up during this time leaves someone groggy. Slowly diminishes during the night.

REM rebound

experiencing an increased amount and intensity of REM sleep after a period of REM sleep deprivation.

Hallucinations

a sensory experience that is not real but is experienced as real by the individual.

Night terrors

a type of parasomnia, a sleep disorder causing sudden awakenings from sleep with intense fear.

Narcolepsy

a chronic neurological disorder characterized by an overwhelming urge to sleep during normal waking hours.

Sleep apnea

Sleep disorder characterized by pausing of breathing during sleep, leading to daytime sleepiness.

Insomnia

difficulty initiating or maintaining sleep

Activation synthesis theory

Posits that dreams are the brain's way of interpreting random neural firings that occur during REM sleep.

Dissociation theory

a disconnection between thoughts, feelings, memories, or sensations and one’s sense of identity.

Sigmund Freud

Studied the unconscious motivations and conflicts that cause human behavior using free association and psychoanalysis.

Freud's dream theory

Dreams are disguised expressions of unconscious wishes and conflicts.

Wish fulfillment

Dreams are attempts to fulfill repressed wishes.

Latent content

the hidden, symbolic meaning of a dream

Manifest content

the literal story of the dream

Post hypnotic suggestion

a suggestion made during a hypnotic trance that the person is instructed to act upon after the trance is over.

Posthypnotic amnesia

a phenomenon where individuals forget events that occurred when under hypnosis.

Psychoactive Drugs

Drugs that affect a person's mental state and behavior(ex.Alc,weeds,coke)

Stimulants

drugs that speed up messages between brain and body, causing a person to be more energetic. (ex. caffeine)

Narcotic Agents

substances that induce trance, coma, or insensibility to pain. (ex. fent)

Hallucinogens

alter a person's perception of reality. (ex. LSD)

Drug tolerance

diminished response to drug due to prolonged exposure.

Drug withdrawal

physical and mental symptoms that a person has when they stop or cut back on addictive substances.

Psychological dependence

a person develops a strong emotional and mental craving for a substance or activity, despite negative consequences.