Dr. Everett is observing Robert in a sleep lab. Dr. Everett intends to wake Robert up each time he begins REM sleep. Based on the electroencephalograph (EEG) recordings, Robert should be awakened each time the EEG shows
a. alpha-wave activity.
b. low-voltage, high-frequency beta waves.
c. the presence of sleep spindles.
d. theta-wave activity.
B
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For nearly a century, it was generally agreed that there were four primary tastes, but three possible new basic tastes have recently been added. Which of the following is NOT one of the new possible tastes?
a) metallic b) fat c) acrid d) umami
Psychologists measure the correlation between aptitude test scores and school grades in order to assess the ________ of the aptitude test.
a. reliability b. standardization c. normal distribution d. factor analysis e. validity
Electrical stimulation of the ________ induces a feeling of fear in humans
A) nucleus accumbens B) thalamus C) periaqueductal gray matter D) amygdala E) reticular activating system
________ is a type of learning in which a response to a stimulus is elicited after repeated association with a stimulus that normally elicits the response.
A. Imprinting B. Social learning C. Intermittent reinforcement D. Classical conditioning