Which of the following is true of handedness and hemispheric speech dominance?
A) Over 90 percent of the population shows right-hemisphere dominance for speech.
B) Left-hemisphere speech dominance is noted in 50 percent of right-handed people.
C) Left-hemisphere speech dominance is noted in 50 percent of ambidextrous people.
D) Over 90 percent of the population shows left-hemisphere dominance for speech.
E) Right hemisphere damage does not alter speech in left-handed people.
Question 2
Verbal behavior is said to be a lateralized function of the left hemisphere in that
A) most language problems are noted after damage to the right rather than the left hemisphere.
B) most language problems are noted after damage to the left rather than the right hemisphere.
C) right-handed persons are more likely to have their language center located within the right hemisphere.
D) electrical stimulation of the left hemisphere has a smaller effect on language than does similar stimulation of the right hemisphere.
E) most persons show a greater movement of the lips on the right side of their mouth during speech.
Incomplete dominance
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