Overview of the Central Nervous System

Question 1

Name the frontal lobe structures.

Answer 1

Precentral gyrus, Premotor region, Frontal eye lids, Prefrontal cortex, Broca’s motor speech area

Question 2

Name the function of the precentral gyrus.

Answer 2

Voluntary movement of muscles of body and head region

Question 3

Name the function of the premotor region.

Answer 3

Aids and integrates voluntary movements of the body

Question 4

Name the function of the frontal eye fields.

Answer 4

Controls voluntary horizontal movement of the eyes

Question 5

Name the function of the prefrontal cortex.

Answer 5

Intellectual functions; affective processes

Question 6

Name the function of Broca’s motor speech area.

Answer 6

Regulates motor aspects of speech

Question 7

Associated disorder of the precentral gyrus

Answer 7

Loss of voluntary movement of body and head region

Question 8

Associated disorder: Premotor region

Answer 8

Apraxia (loss of ability to carry out complex movements of body and head)

Question 9

Associated Disorder: Frontal eye fields

Answer 9

Loss of voluntary control of horizontal eye movement (i.e., eyes cannot deviate to side opposite lesion)

Question 10

Associated Disorder: Prefrontal cortex

Answer 10

Intellectual and emotional impairment

Question 11

Associated Disorder: Broca’s motor speech area

Answer 11

Motor aphasia

Question 12

Name the structures of the parietal lobe.

Answer 12

Postcentral gyrus