Question 1

There is a close functional relationship between the parietal cortex and the _____, which probably has an important role in the control of spatially guided behavior.

Accepted Answer

A)   hippocampus
B)   temporal lobe
C)   corpus callosum
D)   prefrontal cortex

Question 2

A patient who cannot identify her fingers nor complete arithmetic problems is MOST likely to be diagnosed with:

Accepted Answer

A)   Balint's syndrome.
B)   Kluver-Bucy syndrome.
C)   Gerstmann syndrome.
D)   allesthesia.

Question 3

Polysensory neurons in a monkey's posterior parietal cortex have been shown to increase their firing rate when:

Accepted Answer

A)   a loud noise is sounded near the animal.
B)   the ambient lighting is changed.
C)   the animal attends to a target object or moves toward it.
D)   the animal recognizes the object.

Question 4

The supramarginal gyrus and angular gyrus make up the:

Accepted Answer

A)   superior parietal lobe.
B)   inferior parietal lobe.
C)   primary somatosensory cortex.
D)   postcentral gyrus.

Question 5

The study by Andersen and colleagues found that neuronal activity in the monkey PRR could predict:

Accepted Answer

A)   an intended move to a spatial target.
B)   a motor response to an auditory cue.
C)   reward preference.
D)   somatosensory thresholds. A

Question 6

The first stage in recovery from contralateral neglect is termed _____.

Accepted Answer

A)   extinction
B)   reintegration
C)   morphosynthesis
D)   allesthesia

Question 7

The ability to do arithmetic, mentally rotate and manipulate an object, and accurately reach for a moving object all depend on representation of:

Accepted Answer

A)   object categories in the anterior parietal cortex.
B)   object categories in the posterior parietal cortex.
C)   "mental space" in the anterior parietal cortex.
D)   "mental space" in the posterior parietal cortex.

Question 8

According to Posner, an important contribution of the parietal lobes to attentional processes is disengagement, which is the ability to:

Accepted Answer

A)   end long-term relationships.
B)   focus attention on a specific stimulus.
C)   shift attention from one stimulus to another.
D)   avoid paying attention to environmental stimuli. C

Question 9

Sensory feedback that indicates the actual outcome of intended movements is known as the _____ copy.

Accepted Answer

A)   afference
B)   efference
C)   effervescent
D)   reentrant

Question 10

The line bisection task is considered a sensitive test for diagnosing:

Accepted Answer

A)   unimodal neglect.
B)   contralateral neglect.
C)   psychomotor poverty.
D)   object agnosia.

Question 11

Contralateral neglect is MOST likely a result of impaired:

Accepted Answer

A)   working memory.
B)   object recognition.
C)   attention to one side of space.
D)   behavioral inhibition. C

Question 12

Which of the following is a behavioral phenomenon BEST associated with parietal lobe damage?

Accepted Answer

A)   achromatopsia
B)   anosmia
C)   prosopagnosia
D)   asomatagnosia

Question 13

Cortical regions immediately posterior to the central sulcus are largely involved in:

Accepted Answer

A)   controlling the level of cognitive arousal.
B)   integrating visual perceptions with motion.
C)   processing motor commands.
D)   processing somatosensory information.

Question 14

The lateral parietal lobe is demarcated ventrally by the _____.

Accepted Answer

A)   cingulate gyrus
B)   central fissure
C)   Sylvian fissure
D)   parietal-occipital fissure

Question 15

Which of the following does NOT appear to receive significant cortical input from the parietal lobe?

Accepted Answer

A)   the frontal lobe
B)   the occipital lobe
C)   the temporal lobe
D)   the hippocampus

Question 16

A person suffering from anosognosia:

Accepted Answer

A)   cannot perceive objects moving through space.
B)   cannot localize or name body parts.
C)   may deny even obvious signs of illness.
D)   cannot do mental arithmetic.

Question 17

The parietal reach region (PRR)  is involved in:

Accepted Answer

A)   visual guidance of grasping motions.
B)   control of saccadic eye movements.
C)   tactile guidance of grasping movements.
D)   object-directed grasping motions.

Question 18

Which of the following is more likely to be seen in subjects with left parietal lobe lesions?

Accepted Answer

A)   paper cutting disability
B)   more mistakes in Weigl's sorting test
C)   unilateral neglect
D)   cube counting errors

Question 19

The MOST posterior Brodmann area in the parietal lobe is area _____.

Accepted Answer

A)   39
B)   11
C)   43
D)   5

Question 20

Performance on the _____ would be expected to be below average in a patient with damage to the left parietal lobe.

Accepted Answer

A)   line bisection test
B)   Mooney Closure Test
C)   Token Test
D)   bicycle drawing taskAnswer Key

Exam 14: Extension: A - The Parietal Lobes

There is a close functional relationship between the parietal cortex and the _____, which probably has an important role in the control of spatially guided behavior.

Correct AnswerverifiedShow Answer

A patient who cannot identify her fingers nor complete arithmetic problems is MOST likely to be diagnosed with:

Correct AnswerverifiedShow Answer

Polysensory neurons in a monkey's posterior parietal cortex have been shown to increase their firing rate when:

Correct AnswerverifiedShow Answer

The supramarginal gyrus and angular gyrus make up the:

Correct AnswerverifiedShow Answer

The study by Andersen and colleagues found that neuronal activity in the monkey PRR could predict:

Correct AnswerverifiedA

The first stage in recovery from contralateral neglect is termed _____.

Correct AnswerverifiedShow Answer

The ability to do arithmetic, mentally rotate and manipulate an object, and accurately reach for a moving object all depend on representation of:

Correct AnswerverifiedShow Answer

According to Posner, an important contribution of the parietal lobes to attentional processes is disengagement, which is the ability to:

Correct AnswerverifiedC

Sensory feedback that indicates the actual outcome of intended movements is known as the _____ copy.

Correct AnswerverifiedShow Answer

The line bisection task is considered a sensitive test for diagnosing:

Correct AnswerverifiedShow Answer

Contralateral neglect is MOST likely a result of impaired:

Correct AnswerverifiedC

Which of the following is a behavioral phenomenon BEST associated with parietal lobe damage?

Correct AnswerverifiedShow Answer

Cortical regions immediately posterior to the central sulcus are largely involved in:

Correct AnswerverifiedShow Answer

The lateral parietal lobe is demarcated ventrally by the _____.

Correct AnswerverifiedShow Answer

Which of the following does NOT appear to receive significant cortical input from the parietal lobe?

Correct AnswerverifiedShow Answer

A person suffering from anosognosia:

Correct AnswerverifiedShow Answer

The parietal reach region (PRR) is involved in:

Correct AnswerverifiedShow Answer

Which of the following is more likely to be seen in subjects with left parietal lobe lesions?

Correct AnswerverifiedShow Answer

The MOST posterior Brodmann area in the parietal lobe is area _____.

Correct AnswerverifiedShow Answer

Performance on the _____ would be expected to be below average in a patient with damage to the left parietal lobe.

Correct AnswerverifiedShow Answer

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