ch5 NBFC Sleep and Dreams

These flashcards cover key concepts related to sleep, dreams, and altered states of consciousness as outlined in the lecture notes.

Electroencephalograph (EEG)

A device that measures brain electrical activity.

Electromyograph (EMG)

A device that measures muscle activity.

Electroculograph (EOG)

A device that records eye movements.

Stage 1 Sleep

A brief transitional stage of sleep lasting 1-7 minutes characterized by theta waves.

Sleep Spindles

Brief bursts of high-frequency brain waves typically occurring in Stage 2 sleep.

Slow wave sleep

Stage 3 of sleep lasting about 30 minutes, characterized by deep sleep.

REM Sleep

Rapid Eye Movement sleep, characterized by vivid dreaming and bodily paralysis.

ARAS (Ascending Reticular Activating System)

A brain structure involved in regulating arousal and consciousness.

Acetylcholine

A neurotransmitter that plays a key role in sleep regulation.

Memory Consolidation

The process of locking in new memories during sleep.

Sleep Deprivation

A condition resulting from not getting enough sleep, impacting attention and decision-making.

Insomnia

A sleep disorder characterized by difficulty falling or staying asleep.

Narcolepsy

A disorder causing uncontrollable sleepiness or sudden sleep attacks.

Sleep Apnea

A disorder involving reflexive gasping for air that disrupts sleep.

REM Sleep Behavior Disorder (RBD)

A disorder where individuals act out their dreams during REM sleep.

Lucid Dreaming

A state where the dreamer is aware they are dreaming and can often control their actions.

Activation-Synthesis Model

The theory that dreams are by-products of neural activity during sleep.

Hypnosis

A systematic procedure that increases suggestibility and alters consciousness.

Meditation

Practices that train attention to enhance mental processes and promote relaxation.