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Use the following text to answer questions 3 and 4: 5. One of your friends received the following results after
A patient who has undergone split-brain surgery has a she took an online quiz: “You are left-brained! Your left
picture of a dog flashed to his right hemisphere and a cat to brain is exceptionally strong, which makes you very
his left hemisphere. good with language.” Which of the following statements
explains nuances associated with this claim?
3. In this example, the patient will be able to identify the
a. “People have only one brain, which has left and right
a. cat using his right hand. hemispheres.”
b. dog using his right hand. b. “The left brain controls speech and self-awareness.”
c. dog using either hand. c. “The right brain controls speech.”
d. cat using his left hand. d. “The left hemisphere is used for making inferences.”
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4. In this example, which of the following will the patient be 6. Doctors in the 1960s severed a brain region to attempt to
able to verbalize? stop epileptic seizures. Which of the following was the
a. That he saw a dog independent variable in their investigations?
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b. That he saw a cat a. The thalamus
c. That he saw both a dog and a cat b. The corpus callosum
d. That he did not see anything at all c. The pons
d. The cerebral cortex

86 Unit 1 Biological Bases of Behavior

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