1. A right-handed split-brain patient was asked to copy a picture from a book by drawing it with his right hand. He then was asked to draw the same picture with his left hand. What probably happened?

A. He was able to draw better with his right hand because the left hemisphere is better at drawing.
B. He was able to draw better with his left hand because the right hemisphere is better at drawing.
C. He was able to draw better with his right hand because the right hemisphere is better at drawing.
D. He was able to draw better with his left hand because the left hemisphere is better at drawing.

2. A major problem with using the results of split-brain studies to say something about the localization of mental functions in most humans is

A. the brains of humans who have not had split-brain surgery are significantly different from the brains of split-brain patients.
B. people who have had split-brain surgery also often have mental disorders associated with abnormal behaviors.
C. plasticity may have altered the localization of mental functions in people who have had split-brain surgery.

3. A split-brain patient is asked to state whether or not she recognizes faces flashed briefly on a screen. The faces are presented in such a way that the information goes to either the right or the left hemisphere. Which of the following is most likely to occur?

A. She will have more trouble recognizing faces presented only to the left hemisphere than faces presented only to the right hemisphere.
B. She will have more trouble recognizing faces presented only to the right hemisphere than faces presented only to the left hemisphere.
C. She will have trouble recognizing faces regardless of which hemisphere receives the visual information.

4. Which of the following discoveries most surprised researchers studying the functions of the corpus callosum?

A.Stroke patients with damaged corpus callosa show similarities to split-brain patients.
B. Some people born without corpus callosa show no behavioral or mental abnormalities.
C. Alien-hand syndrome disappears quickly after split-brain surgery in most patients.

5. A right-handed split-brain patient is first asked to name an object placed into her right hand without looking at it. She then is asked to name a different object placed into her left hand without looking at it. What probably will happen?

A. She will not be able to name either object.
B. She will be able to name both objects.
C. She will be able to name the object placed into her left hand but not be able to name the object placed into her right hand.
D. She will be able to name the object placed into her right hand but not be able to name the object placed into her left hand.

6. The "fighting" that sometimes occurs between the two hands in split-brain patients typically disappears quickly after the surgery. Based on what you've learned in Sections 4-9, 4-10, and 4-11, what is the most likely reason for this?

A. The normal plasticity of the brain quickly corrects the problem.
B. People generally don't like to act abnormally and supress these behaviors.
C. The two hemispheres eventually work together to quiet activity in the amygdala.

7. Which of the following does not seem to be one of the typical functions of the right hemisphere?

A. orienting and navigating spatially
B. recognizing and imagining faces
C. identifying musical melodies
D. thinking sequentially and logically

8. With which of the following would the left hemisphere typically have the most trouble?

A. identifying objects with the right hand
B. solving math problems
C. copying a design using blocks
D. comprehending spoken language

Go to Quiz 4-11 answers

Go Back to Readings Section 4-11