Aphasia

Question 1

What type of lesion results in Wernicke’s (receptive) aphasia?

Answer 1

Lesion of the superior temporal gyrus

usually supplied by the inferior division of the left MCA

Question 2

Describe the features of Wernicke’s/receptive aphasia.

Answer 2

• Non-sensical speech
• Fluent
• Comprehension is impaired

Question 3

What type of lesion results in Broca’s (expressive) aphasia?

Answer 3

Lesion of the inferior frontal gyrus

typically supplied by the superior division of the left MCA

Question 4

Describe the features of Broca’s/expressive aphasia.

Answer 4

• Non-fluent, laboured, halting speech
• Repetition is impaired
• Comprehension is normal

Question 5

What type of lesion results in conduction aphasia?

Answer 5

Stroke affecting the arcuate fasciculus

Question 6

Describe the features of conduction aphasia.

Answer 6

• Fluent speech
• Poor repetition, aware of the errors they are making
• Comprehension is normal

Question 7

What type of lesion results in global aphasia?

Answer 7

Superior temporal gyrus, inferior frontal gyrus, and arcuate fasciculus are affects

Question 8

Describe the features of global aphasia.

Answer 8

Severe expressive and receptive aphasia

May still be able to communicate using gestures