Cerebral Cortex, Limbic System, Clinical Assessment of Brain Function

Question 1

primary motor cortex is the site of:

Answer 1

motor activation

Question 2

secondary motor cortex (premotor) is the site of:

Answer 2

motor conception and organization

Question 3

function of primary motor cortex

Answer 3

contains neurons to activate each muscle group organized somatotopically

Question 4

function of secondary motor cortex

Answer 4

initiates complex voluntary acts, contains several specialized areas for speech, eye movements, etc.

Question 5

the secondary motor cortex solicits information from:

Answer 5

basal ganglia and cerebellum

Question 6

the major descending pathway of the motor cortex is the

Answer 6

pyramidal/corticospinal tract

Question 7

what does the pyramidal/corticospinal tract carry?

Answer 7

carries commands from primary motor cortex to motor neurons of brainstem (corticobulbar) and spinal cord (corticospinal)

Question 8

precentral gyrus is also known as

Answer 8

primary motor cortex

Question 9

postcentral gyrus is also known as

Answer 9

primary somatosensory

Question 10

primary motor cortex (precentral gyrus) is Broadmann area

Answer 10

4

Question 11

primary motor cortex receives info from:

Answer 11

motor thalamus

Question 12

what is the source of the pyramidal/corticospinal tract

Answer 12

primary motor cortex (precentral gyrus)

Question 13

primary somatosensory (postcentral gyrus) receives from

Answer 13

somatosensory thalamus (VPL, VPM)

Question 14

primary auditory (superior temporal gyrus) receives from

Answer 14

medial geniculate nucleus

Question 15

primary visual (calcarine sulcus) receives from

Answer 15

lateral geniculate nucleus

Question 16

primary olfactory area receives from

Answer 16

olfactory bulb and other olfactory structures

Question 17

primary visual (calcarine sulcus) is Broadmann area

Answer 17

17

Question 18

primary olfactory is broadmann area(s)

Answer 18

25 (orbital) and 28 (parahippocampal gyrus)

Question 19

premotor is broadmann area(s)

Answer 19

6, 8

Question 20

premotor cortex sends to:

Answer 20

basal ganglia, cerebellum, primary motor cortex

Question 21

secondary somatosensory is broadmann area(s)

Answer 21

5, 7

Question 22

secondary somatosensory receives from:

Answer 22

primary somatosensory cortex

Question 23

secondary auditory is broadmann area(s)

Answer 23

42, 22

Question 24

secondary auditory receives from:

Answer 24

primary auditory cortex

Question 25

secondary visual is broadmann area(s)

Answer 25

18, 19

Question 26

secondary visual receives from:

Answer 26

receives from primary visual cortex, pulvinar of thalamus

Question 27

Wernicke’s area is for:

Answer 27

sensory association, language (essential for understanding of language)

Question 28

Wernicke’s area is Broadmann area(s)

Answer 28

22, 39, 40

Question 29

Wernicke’s area receives from

Answer 29

secondary somatosensory, visual, auditory

Question 30

Wernicke’s area sends to

Answer 30

Broca’s area, memory areas

Question 31

Broca’s area is essential for

Answer 31

speech (production of language)

Question 32

Broca’s area is Broadmann area(s)

Answer 32

44, 45

Question 33

Broca’s area receives from

Answer 33

Wernicke’s

Question 34

Broca’s area sends to

Answer 34

basal ganglia, primary motor cortex