Localisation of Cortical Function

Question 1

How might you perform Functional Cortical Mapping? What techniques

Answer 1

Functional MRI

PET

Question 2

How is Brodmann’s areas classified?

Answer 2

Histological cytoarchitectural differences

Question 3

Draw out the Circle of Willis

Answer 3

-

Question 4

For language to be affected, the lesion is most likely to be in which half of the brain?

Answer 4

Left hemisphere

Question 5

The pre-central gyrus is..? Which Brodmann’s Area is this?

Answer 5

The primary motor cortex

Broadmann Area 4

Question 6

The post-central gyrus is..? Which Brodmann’s Area is this?

Answer 6

The primary somatosensory cortex

Brodmann’s Area 1, 2, 3

Question 7

Broadmann’s Area 6 is..?

Answer 7

Supplementary Motor Cortex

Question 8

The Supplementary Motor Cortex is Broadmnann’s Area..?

Answer 8

6

Question 9

Aside from Brodmann’s Area 1, 2 and 3 - are there any other sensory cortex functional areas?

Answer 9

39 and 40

Question 10

What is Broca’s aphasia?

Answer 10

Can understand language, but cannot speak

Question 11

What is Wernicke’s aphasia?

Answer 11

Can speak, but cannot understand language

Question 12

A patient with Broca’s aphasia has a lesion where?

Answer 12

Postero-inferior frontal lobe (Broca’s Area)

Question 13

A patient with Wernicke’s aphasia has a lesion where?

Answer 13

Junction of Temporal / Parietal / Occipital lobes (Wernicke’s Area)

Question 14

What is Broca’s aphasia also known as?

Answer 14

Expressive / Motor aphasia

Question 15

What is Wernicke’s aphasia also known as?

Answer 15

Receptive / Sensory aphasia

Question 16

What is the artery referred to as the “Stroke artery”?

Answer 16

Middle cerebral artery

Question 17

The pre-frontal cortex is supplied by what artery?

Answer 17

Anterior cerebral artery

Middle cerebral artery

Question 18

If the lower limb is more affected than the upper limb in a stroke, which artery is the stroke likely to be in?

Answer 18

Anterior cerebral artery

Question 19

If the upper limb / speech is affected in a stroke, which artery is the stroke likely to be in?

Answer 19

Middle cerebral artery

Question 20

Which sulcus is primarily is the Primary Visual Area? What Broadmann’s Area is it?

Answer 20

Brodmann’s Area 17, and the gyrus of either side of Calcarine sulcus