The body's biological clock, the suprachiasmatic nucleus, is located in the:
a. pituitary gland.
b. pineal gland.
c. thalamus.
d. hypothalamus.
D
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Dr. Miller was lecturing on dopamine as the key neurotransmitter of reward and addiction; her main points were that rats will not press a lever for amphetamines or cocaine if given a drug that ______ dopamine activity, and the same drug will block the rewarding effects of ESB.
A. facilitates B. agonizes C. antagonizes D. modulates
In most countries, it is unusual for an older woman to date a younger man. When viewing this from a nature versus nurture perspective, this is because ______.
A. anatomical difference suggest reproductive potential B. age is associated with fertility C. men choose quantity over quality in mates D. women have higher standards of intelligence and job prestige
What type of correlation occurs when one variable increases while the other variable decreases?
a. positive correlation b. negative correlation c. no correlation d. multiple correlation
Research indicates that serotonin is important in anxiety disorders. Partial evidence for this is found in biochemical challenge studies in which
A) participants' serotonin levels are manipulated and their anxiety levels monitored. B) serotonin levels are monitored to examine how decreased levels are related to decreased anxiety. C) patients with anxiety disorders are studied by examining their lack of ability to produce serotonin in response to a threat. D) participants with anxiety disorders are presented with feared objects and their serotonin levels monitored.