Define "psychoactive drug."
Any substance that alters perception, consciousness, cognition, mood.
Stage one sleep consists of what kind of waves?
Alpha waves.
Surprise! What does REM stand for?
Rapid Eye Movement.
Taste buds.
What term refers to how loud a sound is?
Decibel.
Marijuana is a _________.
Hallucinogen
How many stages of sleep are there?
4: Stage 1, NREM, Stage 2, NREM, Stage 3, NREM, Stage 4, REM.
What is the measure for sound frequency?
Hertz.
What is the term that refers to taste?
Gustation.
Which researcher theorized that dreams simply reflect important life events for the dreamer?
Rosalind Cartwright.
Name 2 types of dependence on drugs.
Physical and psychological dependence.
Max is sleeping. His eyes are moving beneath his eyelids. What stage of sleep is he in?
REM sleep.
The sense of smell.
What sense is crucial to the sense of taste?
Smell.
Jason has a dirty diaper pail in his bathroom, but he no longer notices the smell. This is due to sensory ____ .
Adaptation.
Morphine decreases pain; it is a _________.
Depressant, or opioid.
What is the biological rhythm that occurs every 24 hours?
Circadian rhythm.
The vestibular sense helps us to ______ .
Maintain balance, and a sense of up and down.
People who have an intense sense of flavor and taste are known as _____ .
Supertasters.
______ refers to the ways in which sensations are interpreted and experienced.
Perception.
Over time, Taylor needs to smoke more marijuana to get the same effect. This is probably due to ____ .
Tolerance.
Gary likes to go to bed very late, and sleep in; Carla goes to bed early, and prefers to get up before sunrise. They probably have different ___________ .
Chronotypes.
What term describes the body's movement through space?
Kinesthesia.
Name the 5 different tastes.
Sweet, sour, salty, bitter, umami.
The nerve that carries visual information from the retina to the brain is called the ________ .
Optic nerve.