Only in humans does the __________ compose such a large proportion of the brain relative to other parts
a. limbic system c. cerebellum
b. cerebrum d. medulla
B
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The fact that the correlation in IQ scores between identical twins reared apart is lower than that between identical twins reared together suggests that
a. environmental factors can have an influence on intellectual development. b. environmental factors have no impact on intellectual development. c. genetic factors have no impact on intellectual development. d. identical twins often do not have the same genotype.
How many Americans each year need help in dealing with different mental disorders, according to the American Psychological Association?
A. 2 million B. 30 million C. 50 million D. 80 million
An art instructor wants to teach students how to portray emotions when drawing faces. The instructor would be wise to concentrate on
a. pleasantness-unpleasantness, attention-rejection, and activation. b. subjective feelings and physiological reactions. c. indicators of emotion measured by the polygraph. d. the size of the pupils and parasympathetic reactions.
Research using sodium lactate has generated findings that support the notion that people with panic disorder:
A) have higher levels of this chemical in the brain. B) metabolize this chemical more quickly than do people without panic disorder. C) are hypersensitive to physiological arousal. D) are less likely to listen to their bodies when interpreting the threat status of a stressor.