Localisation of Cortical Function Flashcards Preview

Medicine, Year 1 Block 6 (Psychological Medicine) > Localisation of Cortical Function > Flashcards

Flashcards in Localisation of Cortical Function Deck (20)
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1
Q

How might you perform Functional Cortical Mapping? What techniques

A

Functional MRI

PET

2
Q

How is Brodmann’s areas classified?

A

Histological cytoarchitectural differences

3
Q

Draw out the Circle of Willis

A

-

4
Q

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

A

Left hemisphere

5
Q

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

A

The primary motor cortex

Broadmann Area 4

6
Q

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

A

The primary somatosensory cortex

Brodmann’s Area 1, 2, 3

7
Q

Broadmann’s Area 6 is..?

A

Supplementary Motor Cortex

8
Q

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

A

6

9
Q

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

A

39 and 40

10
Q

What is Broca’s aphasia?

A

Can understand language, but cannot speak

11
Q

What is Wernicke’s aphasia?

A

Can speak, but cannot understand language

12
Q

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

A

Postero-inferior frontal lobe (Broca’s Area)

13
Q

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

A

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

14
Q

What is Broca’s aphasia also known as?

A

Expressive / Motor aphasia

15
Q

What is Wernicke’s aphasia also known as?

A

Receptive / Sensory aphasia

16
Q

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

A

Middle cerebral artery

17
Q

The pre-frontal cortex is supplied by what artery?

A

Anterior cerebral artery

Middle cerebral artery

18
Q

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

A

Anterior cerebral artery

19
Q

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

A

Middle cerebral artery

20
Q

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

A

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