A 64-year-old woman presents with weakness in her right arm…
A 64-year-old woman presents with weakness in her right arm and leg, and nonfluent, effortful speech. She can follow verbal commands and understands language well. MRI reveals a stroke in the precentral gyrus and adjacent cortex anterior to the central sulcus in the left cerebral hemisphere. Which of the following structures is most directly responsible for the motor deficits? (Hint: read the question carefully Right sided weakness corresponds to which side? Note how the speech deficits are described)
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