In middle childhood, the brain's gray matter __________, a change that is associated with better performance on verbal fluency and executive function tasks.
A. thickens
B. thins down
C. disappears
D. changes to white matter
Answer: B
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In general, antidepressant drugs are believed to work by:
a. decreasing monoamine activity in the brain. b. increasing monoamine activity in the brain. c. increasing GABA activity in the brain. d. decreasing GABA activity in the brain.
__________ is an experiment in which neither the participants nor the individuals running the experiment know if participants are in the experimental or the control group until after the results are tallied.
A. The double-blind study B. Field research C. The single-blind study D. Correlational research
You heard that your new roommate is a Type A personality. You would expect the roommate to be __________.
A. withdrawn and submissive B. shy and immature C. impatient and ambitious D. adventurous and irresponsible
Senility usually results from a disease, not the natural process of aging.
a. true b. false