ap paych ez

Sleep

Natural loss of consciousness.

Circadian Rhythm

24-hour biological clock.

REM Sleep

Dream sleep with active brain.

Paradoxical Sleep

Body asleep, brain awake.

Alpha Waves

Relaxed awake brain waves.

Delta Waves

Deep sleep waves.

NREM Sleep

All sleep except REM.

Hypnagogic Sensations

Falling/jerking before sleep.

Hallucinations

False sensory experience.

SCN (Suprachiasmatic Nucleus)

Controls circadian rhythm.

Melatonin

Sleep hormone.

Insomnia

Impossible to fall or stay asleep.

Narcolepsy

Sudden sleep attacks.

Sleep Apnea

Breathing stops while sleeping.

Night Terrors

Extreme fear during NREM-3.

Manifest Content

Dream storyline you remember.

Latent Content

Hidden meaning of the dream.

REM Rebound

Extra REM after deprivation.

Psychoactive Drug

Changes mood & perception.

Tolerance

Need more to get same effect.

Withdrawal

Discomfort after stopping a drug.

Depressants

Slow down body & brain.

Alcohol Use Disorder

Problematic, continued drinking.

Barbiturates

Depress CNS, reduce anxiety.

Opiates

Relieve pain, very addictive.

Stimulants

Speed up body & brain.

Nicotine

Addictive stimulant from tobacco.

Cocaine

Powerful stimulant, quick high & crash.

Amphetamines

Boost energy & mood.

Methamphetamine

Very addictive stimulant, reduces dopamine.

Ecstasy (MDMA)

Stimulant + mild hallucinogen; increases social connection.

Hallucinogens

Distort perceptions & evoke false sensory images.

LSD

Powerful hallucinogen causing intense sensory distortions.

THC

Active chemical in marijuana causing mild hallucinations.

Near-Death Experience

Altered state reported after being close to dying.

Dream

Sequence of images, emotions, thoughts during sleep.

NREM-3 (Deep Sleep)

Deepest sleep, delta waves.

Brain Waves

Electrical patterns of neural activity.

Pineal Gland

Releases melatonin to regulate sleep.

Hypothalamus

Brain region controlling bodily rhythms (includes SCN).