Question 1

Each hemisphere of a human split-brain patient is capable of completion.That is why on the chimeric figures test, each hemisphere sees

Accepted Answer

A)  the entire stimulus. 
B)  a complete, but different, face. 
C)  only half a face. 
D)  the same face. 
E)  only half the stimulus.

Question 2

-Geschwind

Accepted Answer

A)  proposed a holistic, nonlocalizationist approach to the neuropsychology of language. 
B)  attacked the strict localizationist approach of Broca and Dejerine. 
C)  revived the old ideas of Broca, Dejerine, and Wernicke and melded them into an influential theory. 
D)  both A and B 
E)  both A and C

Question 3

-Although the symptoms of apraxia are ________, apraxia usually results from damage to the ________ hemisphere.

Accepted Answer

A)  unilateral; left 
B)  contralateral; right 
C)  ipsilateral; left 
D)  bilateral; right 
E)  bilateral; left

Question 4

Remarkably, naming famous faces, animals, and tools seems to be associated with activity in

Accepted Answer

A)  slightly different areas of the left temporal lobe. 
B)  a large area of the right parietal lobe. 
C)  a very small part of Broca's area. 
D)  a large area of Wernicke's area. 
E)  a small are of the left angular gyrus.

Question 5

The identification and study of the various areas in the left cerebral cortex that participate in language-related activities is generally referred to as the study of

Accepted Answer

A)  cortical language asymmetry. 
B)  cortical language lateralization. 
C)  the cortical localization of language. 
D)  the functional cortical asymmetry of language. 
E)  the cortical Wernicke-Geschwind model.

Question 6

-Apraxic patients display

Accepted Answer

A)  muscle weakness on the left side of the body. 
B)  muscle weakness on the right side of the body. 
C)  abnormal spinal reflexes. 
D)  a serious disturbance of motor coordination. 
E)  none of the above

Question 7

The study of how left and right hemispheres differ in their approach to cognitive tasks has led to the concept of a left hemisphere

Accepted Answer

A)  interpreter. 
B)  reporter. 
C)  responder. 
D)  calculator. 
E)  scientist.

Question 8

In experiments on split-brain laboratory animals, visual information can be presented to only the left hemisphere by

Accepted Answer

A)  cutting the optic chiasm longitudinally. 
B)  blindfolding the left eye. 
C)  blindfolding the right eye. 
D)  both A and B together 
E)  both A and C together

Question 9

Kimura argued that although signals from each ear are projected to both hemispheres, the contralateral connections take precedence

Accepted Answer

A)  when different sounds from the two ears are simultaneously competing for access to the same cortical auditory circuits. 
B)  in split-brain subjects. 
C)  in aphasics. 
D)  in patients under the influence of sodium amytal. 
E)  in patients with apraxia.

Question 10

In __________ dyslexia, the lexical procedure is lost and the phonetic procedure maintained.

Accepted Answer

The answer of In __________ dyslexia, the lexical procedure is...

Question 11

One theory of why lateralization of function evolved is that there are two fundamentally different modes of thinking, each requiring different neural circuitry.These two modes of thinking are referred to as

Accepted Answer

A)  positive and negative. 
B)  scientific and nonscientific. 
C)  logical and illogical. 
D)  synthetic and analytic. 
E)  motor and sensory.

Question 12

Of the 214 aphasic patients in the classic Hecaen and Angelergues's study, how many displayed disorders of language that were purely expressive (Broca's aphasia)or purely expressive (i.e., Wernicke's aphasia)?

Accepted Answer

A)  0 
B)  23 
C)  47 
D)  102 
E)  148

Question 13

Sodium amytal and dichotic listening tests are commonly used tests of

Accepted Answer

A)  audition. 
B)  intelligence. 
C)  handedness. 
D)  language lateralization. 
E)  brain damage.

Question 14

How many digits are presented during one trial of the conventional dichotic listening test of language lateralization?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
E)  12

Question 15

-Apraxia usually

Accepted Answer

A)  results from right-hemisphere damage. 
B)  results from left-hemisphere damage. 
C)  affects the left side of the body far more than the right side. 
D)  affects the right side of the body far more than the left side. 
E)  both B and D

Question 16

According to the Wernicke-Geschwind model, word salad results from damage to

Accepted Answer

A)  Wernicke's area in the right hemisphere. 
B)  the frontal operculum. 
C)  Wernicke's area. 
D)  the arcuate fasciculus. 
E)  Broca's area.

Question 17

-According to the Wernicke-Geschwind model, the cortical region indicated here plays a special role in

Accepted Answer

A)  reading and writing. 
B)  sign language. 
C)  language comprehension. 
D)  language expression. 
E)  emotional language.

Question 18

There is now a general consensus that developmental dyslexia results from

Accepted Answer

A)  a general attentional deficit. 
B)  autistic tendencies. 
C)  a disturbance of phonological processing. 
D)  a variety of sensorimotor deficits. 
E)  damage to the lateral geniculate

Question 19

It has been estimated that the corpus callosum contains 200 million

Accepted Answer

A)  nuclei. 
B)  axons. 
C)  cells. 
D)  synapses. 
E)  cell bodies.

Question 20

According to the text, which of the following statements is true?

Accepted Answer

A)  Some evidence suggests that the brains of females are less lateralized than those of males. 
B)  Some evidence suggests that the brains of males are less lateralized than those of females. 
C)  The evidence that the brains of males are less lateralized than those of females is very strong. 
D)  Recent evidence has finally established that male and female brains are lateralized to the same degree. 
E)  none of the above

Exam 16: Lateralization, Language, and the Split Brain