Caffeine is considered a psychoactive drug because it ____
a. ?is illegal for minors
b. ?affects the brain and behavior
c. ?only has effects on the body when ingested
d. ?was so listed by the Federal Drug Administration
b.
?affects the brain and behavior
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Sonal is at a brain research center, participating in a study. She is hooked up to a machine that measures electrical activity in her brain through the use of electrodes attached to her scalp. This description best characterizes which of the following techniques?
a. computed tomography b. electroencephalography c. positron emission tomography d. magnetic resonance imaging e. lesioning
Cigarette smoking:
a. has increased in frequency over the past two decades, in spite of antismoking campaigns b. introduces a central nervous system depressant to the brain c. does not produce an addiction, although it is a habit that is difficult to break d. during pregnancy is associated with an increased risk of birth defects
In the audiovisual, "And We Were Sad, Remember?", when the father tells his child "you don't have to worry about that [death] for a hundred years," the father is not
a. supporting the child's interest in the death event b. determining what and how the child is able to understand c. seeing this death as an important life experience for the child d. all of these e. none of these
Your friends may believe that psychosurgeries are no longer performed today. You can tell them that ____
a. ?a majority of neurosurgeons perform psychosurgeries regularly b. ?psychosurgery is the most effective treatment available for severe cases of schizophrenia c. ?they are correct; these surgeries are a thing of the past d. ?some psychosurgeries are still done, but much more precisely than in the past