Which device greatly aided the scientific study of sleep by recording brain activity?
EEG
Which psychologist first emphasized symbolic interpretation of dreams?
Sigmund Freud
An altered state of consciousness refers to:
A state significantly different from normal waking awareness
Which is a class of psychoactive drugs covered in Chapter 7?
Depressants, Stimulants or Hallucinogens
What is consciousness defined as?
State of awareness of feelings, sensations, ideas, and perceptions
Theta and alpha waves are commonly associated with which sleep stage?
Stage I
What is it called when you are aware in a dream that you are dreaming?
Lucid Dreams
Hypnosis is best described as:
Altered state of consciousness marked by heightened suggestibility
Marijuana is best described as:
B) A psychoactive drug that disrupts memory and is psychologically addictive
Which sleep disorder involves prolonger inability to fall or remain asleep?
Insomnia
Which stage of sleep is the deepest and involves large-amplitude delta waves?
Stage III and IV, especially IV
Sleep Paralysis is...
When you first awake and are unable to move and often hallucinate
Meditation goals often include:
Focusing on the present moment
Drugs like LSD are classified as:
Hallucinogens
Which condition is characterized by sudden daytime sleep attacks?
Narcolepsy
Which stage of sleep is characterized by rapid eye movement, vivid dreaming, and brain activity resembling wakefulness?
REM
Dreaming Happens during what level of Sleep?
REM of IV
Biofeedback is used to teach:
Internal physiological control
Which is an example of a depressant?
Alcohol
The biological clock that regulates 24-hour rhythms is called:
Circadian rhythm
How often does the sleep cycle (NREM to REM) repeat?
Every 90 minutes
What is the study of reflection over dreams called?
Dream Interpretation
To describe Freud's Stages of Consciousness, what illustration was used?
An Iceberg
What's a common, legal form of a stimulant?
Caffeine
Biofeedback enables individuals to:
Control internal physiological processes with feedback