Quiz 5

Question 1

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

Answer 1

processing somatosensory information

Question 2

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.

Answer 2

Prefrontal cortex

Question 3

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

Answer 3

shift attention from one stimulus to another

Question 4

O’Keefe and Nadel have proposed that the ability to form cognitive maps is dependent upon the:

Answer 4

Hippocampus

Question 5

Our capacity to successfully navigate from one place in our environment to another depends on the ability known as:

Answer 5

Topographic memory

Question 6

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

Answer 6

occipital lobe

Question 7

In the context of spatial behavior, the term egocentric refers to the localization of environmental stimuli with reference to:

Answer 7

one’s own body

Question 8

Following a car accident, an individual was found to have deficits orienting and directing the hands toward specific stimuli. What was likely damaged?

Answer 8

Parietal cortex

Question 9

Damage to the posterior parietal cortex would MOST interfere with:

Answer 9

reaching toward a briefly presented visual target

Question 10

The parietal reach region (PRR) is involved in:

Answer 10

visual guidance of grasping motions

Question 11

Changes in hippocampal volume related to spatial memory abilities in humans and birds alike may depend on:

Answer 11

the birth of new neurons

Question 12

The lateral parietal lobe is demarcated ventrally by the:

Answer 12

Sylvian fissure

Question 13

Following a stroke, a patient displayed difficulty locating objects within the visual field, with no visual impairment. Where would the damage caused by the stroke be found?

Answer 13

superior colliculus

Question 14

The ability to voluntarily direct one’s gaze to select environmental stimuli depends on connections between the _____ and the _____.

Answer 14

frontal eye fields; posterior parietal cortex

Question 15

Egocentric disorientation

Answer 15

difficulty perceiving the relative location of objects with respect to self

Question 16

topographic disorientation

Answer 16

inability to remember topographic relations among landmarks

Question 17

heading disorientation

Answer 17

inability to determine a direction of movement

Question 18

landmark agnosia

Answer 18

inability to use prominent environmental features for orientation

Question 19

Activity within the human medial parietal region is important for:

Answer 19

spatial navigation ability

Question 20

Research on sex-related differences in spatial ability suggests that when traveling, men are likely to use _____, whereas women preferentially use _____.

Answer 20

spatial maps; landmarks

Question 21

The Morris water task is commonly used to test the ability of rats and other small mammals to navigate using either:

Answer 21

piloting ability or visible landmarks.

Question 22

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

Answer 22

contralateral neglect

Question 23

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

Answer 23

efference

Question 24

Which of these is more likely to be seen in subjects with right-parietal-lobe lesions?

Answer 24

contralateral neglect

Question 25

The supramarginal gyrus and angular gyrus make up the:

Answer 25

Inferior parietal lobe

Question 26

Damage to a monkey's dorsolateral prefrontal cortex (principal sulcus) region impairs behavior requiring _____ stimuli.

Answer 26

short-term memory for the spatial location of visual

Question 27

If you were to ask a patient to copy specific motoric behaviors such as brushing your teeth, you are most likely trying to make a diagnosis of _____ apraxia.

Answer 27

ideomotor

Question 28

The ability to replace objects on a table in their previous position is impaired by damage to the:

Answer 28

right hippocampus

Question 29

A person with damage to the right parietal lobe would have the MOST difficulty recognizing a:

Answer 29

a house from an aerial view

Question 30

When the brain activity of London taxi drivers was recorded using PET while they described driving specific routes, a selective activation was observed in the:

Answer 30

right hippocampus