Prior to the creation of modern brain imaging techniques, what was the main way to study the human brain?
a. photographs
b. autopsy
c. intentional trauma
d. through the use of chemicals
b. autopsy
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In a study of twins, a researcher finds that 40 percent of dizygotic (DZ) twins and 40 percent of monozygotic (MZ) twins share a trait. What is the researcher most likely to conclude about the trait?
a. It is 40 percent concordant. b. It is 60 percent concordant. c. It is genetically determined. d. It is not genetically determined.
What is the first goal of the treatment of anorexia nervosa?
a. gaining at least a minimal amount of weight b. developing insight into negative feelings about weight c. removing the social stigma associated with the illness d. exploring possible reasons for the illness, such as social pressure
David has been in a joyful mood all month. According to the broaden-and-build hypothesis of positive emotions, ____
a. David will try to "spread" his good mood around to others b. David's mindset will be "expanded" (such that he has the urge to play, push limits, and so forth) c. David will attempt to hold on to this joyful feeling as long as he can d. David will tend to spend more time with people who are also in positive moods (and less time with people who are in negative moods)
A delusion is a(n) ____.
A. sensory experience that does not correspond to reality B. inability to understand abstract concepts C. unfounded belief D. loss of memory for part of one's past