Answer
Areas damaged:
1. Left Primary motor area in the precentral gyrus of the frontal lobe of the cerebral cortex. This would be responsible for the difficulty in moving the contralateral (right) arm.
2, Motor speech area in the frontal lobe (left hemisphere) just superior to the lateral cerebral sulcus . A
lesion in this area would account for the difficulty in speaking after he stroke.
Work Step by Step
The primary motor cortex is Brodmann's area 4
Broca's area for speech includes Brodmann's areas 44 and 45.
