Nature of Consciousness
Biological Rhythms and Sleep
Sleep Disorders
Altered Consciousness
Drug classifications
100

Awareness of internal and external stimuli

Consciousness

100

24-hour biological cycles in humans

Circadian Rhythms

100

Chronic problems in getting adequate sleep

Insomnia

100

Systematic procedure which produces a heightened state of suggestibility

Hypnosis

100

Increases sensory awareness, but may cause anxiety or panic due to altered perceptions

Hallucinogens

200

Device that monitors electrical activity of the brain

Electroencephalograph (EEG)

200

Deep stage of sleep marked by rapid eye movements, high-frequency brain waves, and dreaming

REM sleep

200

Disease marked by sudden or irresistible onsets of sleep during normal waking periods

Narcolepsy

200

When a person must continue to take a drug to avoid withdrawal illness

Physical Dependence

200

Causes relaxation with impaired coordination and mental functioning due to lethargy and drowsiness

Sedatives

300

Normal waking thought pattern of an EEG

Beta Waves

300

Number of sleep stages prior to REM sleep where little dreaming occurs

Three

300

Frequent, reflexive gasping for air which disrupts sleep

Sleep apnea

300

Practice to train attention to heightened awareness and greater voluntary control of mental processes

Meditation

300
This causes pain relief as well as euphoria and relaxation

Narcotics or Opiates

400

Deep relaxation pattern on an EEG

Alpha Waves

400

This is the life stage which requires the most sleep.

Infant

400

When a person rises and wanders while remaining asleep

Sleepwalking

Somnambulism

400

Chemical substances which alter mental, emotional, or behavioral functioning

Psychoactive Drugs

400

This alters perceptions while causing relaxation and mild euphoria. Can be addictive despite common belief it is harmless.

Cannabis

500

Height of brain waves recorded on an EEG

Amplitude

500

When people get substantially less sleep than normal over a period of time

Sleep deprivation

500

Troublesome dream reenactments during REM sleep

REM sleep behavior disorder

500

Progressive decrease in a person's responsiveness to a drug as a result of continued use

Tolerance

500
Causes increased alertness, excitement, energy
Stimulants