- The best split-brain researchers would agree that:
a. the left hemisphere and the right hemisphere are exactly the same.
b. in normal brains, the left and right hemispheres cooperate naturally in everyday activities because of the corpus callosum.
c. the mental skills of the right hemisphere are superior to those of the left hemisphere.
d. the mental skills of the left hemisphere are superior to those of the right hemisphere.
2. As a critical thinker in psychology, you recognize that:
a. brain differences could be the result, not the cause, of behavioral differences between the sexes.
b. the overlap between the sexes is less than the differences between them.
c. animal studies show that sex differences in the brain do not affect behavior.
d. biological differences between the sexes seldom have implications for behavior.
3. Why does the human cerebral cortex have so many deep crevasses and wrinkles in it?
a. It is a byproduct of an evolutionary adaptation that no longer serves a useful purpose.
b. Because the axons of nerve cells need to extend in multiple directions at once.
c. They enable billions of neurons to fit in a relatively compact area.
d. They derive from the aging of the brain; children’s brains are smooth on the surface.
4. After scoring a touchdown for the UC Davis Aggies, Mark returned to the sidelines and felt his heart rate begin to slow down, his breathing rate diminished, and he began to feel more relaxed. This is due to his:
a. fight or flight response.
b. somatic nervous system.
c. parasympathetic nervous system.
d. sympathetic nervous system.
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