Levels of Consciousness
Sleep & Dreams
Hypnosis
Psychoactive Drugs
Brain & Behavior
100

This level includes information about you and your environment that you are currently aware of.

What is the conscious level?

100

This 24-hour cycle regulates metabolic processes.

What is the circadian rhythm?

100

This term describes forgetting events that occurred during hypnosis.

What is posthypnotic amnesia?

100

This barrier protects the brain from certain chemicals but allows psychoactive drugs to pass through.

What is the blood-brain barrier?

100

This 24-hour cycle regulates metabolic processes.

What is the circadian rhythm?

200

Processes like heart rate and breathing occur at this level of consciousness.

What is the nonconscious level?

200

Most dreams occur during this stage of sleep.

What is REM sleep?

200

This is a suggestion given during hypnosis to influence post-hypnotic behavior.

What is posthypnotic suggestion?

200

Drugs that mimic neurotransmitters are called this.

What are agonists?

200

An electroencephalogram (EEG) measures this activity in the brain.

What is electrical activity?

300

This level involves information you are not currently thinking about but could recall if prompted.

What is the preconscious level?

300

In a dream where you are flying through the sky, this term describes the literal imagery.

What is manifest content?

300

This theory of hypnosis states that it is not an altered state of consciousness but depends on suggestibility.

What is role theory?

300

This term describes the physiological need for higher doses of a drug to achieve the same effect.

What is tolerance?

300

This theory suggests hypnosis alters consciousness, creating different levels of awareness.

What is dissociation theory?

400

The mere exposure effect is an example of behavior linked to this level of consciousness.

What is the subconscious level?

400

In a dream about flying, a psychoanalyst might interpret this as a desire for freedom. This term describes that interpretation.

What is latent content?

400

This theory suggests hypnosis divides consciousness into separate levels of awareness.

What is dissociation theory?

400

These are symptoms experienced when stopping drug use, ranging from mild to severe.

What are withdrawal symptoms?

400

Alpha waves are displayed when a person is in what mental state/condition?

What is awake and relaxed?

500

Psychoanalytic theory suggests unacceptable memories and feelings are repressed into this level.

What is the unconscious level?

500

This theory suggests that dreams are the brain's interpretation of random electrical activity.

What is activation-synthesis theory?

500

Ernest Hilgard demonstrated this concept through an experiment involving ice water and hypnosis.


What is the hidden observer?

500

This is the active compound in marijuana.

What is THC?

500

These are the types of brain waves displayed on an EEG while a person is in deep sleep.

What are delta waves?

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