Cerebral Dysfunction

Question 1

Frontal lobe

Answer 1

Features of dysfunctionContralateral hemiplegia, impaired problem solving, disinhibition, lack of initiative, Broca’s aphasia and agraphia (dominant)

Question 2

Temporal lobe

Answer 2

Features of dysfunctionWernicke’s aphasia (dominant), homonymous upper quadrantanopia, auditory agnosia (non-dominant)

Question 3

Parietal lobe (non-dominant)

Answer 3

Features of dysfunctionAnosognosia, dressing apraxia, spatial neglect, constructional apraxia

Question 4

Parietal lobe (dominant)

Answer 4

Features of dysfunctionGerstmann’s syndrome

Question 5

Occipital lobe

Answer 5

Features of dysfunctionVisual agnosia, visual illusions, contralateral homonymous hemianopia

Question 6

Which of the following lesions would be most likely to result in bitemporal hemianopia?

Answer 6

Pituitary tumour