Cortical Localization of Function 1

Question 1

Majority of sulci and gyri are too variable to mark functional domains. The two exceptions to this are _

Answer 1

Calcarine sulcus

Central sulcus

Question 2

Examples of 3 cell characteristics that have been used to map cortex cytoarchitecture include

Answer 2

Cell Density
cell type
myelination

Question 3

True or false: Thalamocortical connections map very closely to cytoarchitectural differences, inferring functional differences

Answer 3

True

Question 4

There are six primary areas in the cortex. What modalities do they serve?

Answer 4

Somatosensor
Olfactory
Auditory
Gustatory
Visual
Motor

Question 5

This type of cortical area responds to only a single modality, and receives majority of inputs from a specific thalamic nucleus

Answer 5

Primary area

Question 6

This type of cortical area receives input from a single specific thalamic nucleus, responds to a single modality but is involved in higher order processing

Answer 6

Secondary or belt area

Question 7

These areas are bimodal / multimodal, perform complex integrative functions, receive thalamic input from non-specific nuclei, especially the pulvinar

Answer 7

Association areas

Question 8

Previously widely accepted cytoarchitechtural models of the cortex are being replaced by _

Answer 8

Modular organization

Question 9

The components of the modular cortical organization are _ (3)

Answer 9

neuronal column (minicolumn)
Cortical column (hypercolumn)
Cortical module

Question 10

Modular columns match up very well with Brodman’s map

Answer 10

False

Question 11

Apraxia is _. It is categorized under which of the cognitive functions?

Answer 11

The inability to execute planned tasks / movements

Spatial and construction

Question 12

The 4 disorders under the speech and language category of cognitive function are

Answer 12

Alexia
Agraphia
Aphasia
Anomia

Question 13

Alexia refers to

Answer 13

Inability to understand written words

Question 14

Agraphia refers to

Answer 14

Inability to communicate via writing

Question 15

Aphasia refers to

Answer 15

A disturbance in the comprehension and formulation of language

Question 16

Anomia

Answer 16

The inability to recall words or names

Question 17

Amnesia refers to _. It falls under what category of cognitive function?

Answer 17

The inability to remember

Learning and memory

Question 18

Agnosia refers to _. It falls under what category of cognitive function?

Answer 18

The inability to recognize (people, objects, smells)

Recognition

Question 19

The best documented example of lateralization of function is _. What hemisphere is it most commonly associated with?

Answer 19

Language

Left hemisphere

Question 20

The verbal and non-verbal functions of the hemispheres refer to _

Answer 20

Left and right, respectively

Question 21

Spatial functioning is more associated with which hemisphere?

Answer 21

Right

Question 22

Negative emotions are not associated with any particular hemisphere, but rather are _

Answer 22

Language based

Question 23

the cortical areas are connected with their counterparts by _

Answer 23

Corpus callosum

Question 24

Callosal fibers are branches of _

Answer 24

Ipsilateral association connections

Question 25

Loss of the corpus callosum results in very severe deficits True or false

Answer 25

False

Question 26

Feed forward connections are associated with connections between _

Answer 26

Primary and secondary areas

Question 27

Feedback connections are associated with connections between _

Answer 27

Higher hierarchical areas to the primary areas

Question 28

Verbal components of emotion are associated with which hemisphere? What about non-verbal?

Answer 28

Left and right, respectively

Question 29

The major determinant of function of any brain area is the input. True or false

Answer 29

True