A drug that elevates the levels of norepinephrine and serotonin in the brain by blocking an enzyme that deactivates these neurotransmitters would most likely be used to treat:
a. psychosis.
b. dissociative identity disorder.
c. bipolar disorder.
d. depression.
D
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Superstitious behaviors are
a. repeated because they appear to produce reinforcement. b. necessary to produce response-contingent reinforcement. c. observed in animals, but not people. d. characterized by all of these.
Dr. Esterson is studying the effect of caffeine on laboratory rats. He has decided that he will give the rats 100 milligrams of caffeine three times a day, and then run them through mazes at various points to see if
there is any change in the time it takes to complete the maze. Based on his review of existing research addressing this topic, Dr. Esterson believes that the rats will complete the maze the fastest immediately after they ingest the caffeine. Dr. Esterson's belief about the results he will find is called a(n): a. covariate. b. construct. c. theory. d. hypothesis.
What does the typical night of sleep look like for a newborn?
a. Newborns sleep through the night. b. Newborns sleep for 6-8 hours at a time, wake to eat, and got back to sleep. c. Newborns sleep for a few hours, wake, then sleep for a few more hours, and repeat. d. Newborns sleep for brief spurts of time about every 20 minutes or so.
A sleepy driver rounds a bend and sees a deer standing in the road
The driver snaps to attention and applies the brakes, averting the accident, because his brain was aroused by the a. parasympathetic nervous system. b. reticular activating system (RAS). c. thalamus. d. pineal gland.