An important change that appears to commonly develop in the brain of chronic drug users is:
A) a higher metabolic rate in the frontal lobe.
B) a lower metabolic rate in the frontal lobe.
C) a higher firing rate of neurons in the nucleus accumbens.
D) lower overall activity in the ventral tegmental area.
Ans: B) a lower metabolic rate in the frontal lobe.
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According to research from the Centers for Disease Control, more than 90% of the time a person's body can clear the HPV virus within two years
a. True b. False Indicate whether the statement is true or false
An object or event that can be detected by the senses is referred to as a:
a. reinforcer b. punisher c. stimulus d. behavior
The momentary lingering of an image or sound after the stimulus has been removed is called:
A. sensory memory B. long-term memory C. short-term memory D. semantic memory
A new research study is published and becomes the "hot story" in the news today. This story concerns you because the researchers report that they are the first scientists to find a higher incidence of depression in individuals who are taking a particular vitamin-the same vitamin that your physician has had you taking for years. While this may be cause for you to investigate further, you probably shouldn't panic, because
A. your physician will call you if there is anything to worry about. B. research like this is rarely accurate. C. without replication, the finding could just be due to coincidence. D. unless it was a double-blind experiment, the results are almost certainly in error.