A patient’s tongue deviates to the left on protrusion, and t…

A patient’s tongue deviates to the left on protrusion, and the tongue shows signs of atrophy, and loss of tone. Explain the most likely lesion type (UMN vs LMN), lesion side, and the cranial nerves involved. Justify your reasoning. Use your knowledge related to the site of lesion, side of tongue deviation, and signs of UMN vs LMN.

Using your knowledge of the corticospinal tract, which part…

Using your knowledge of the corticospinal tract, which part of this tract controls the extremities and limbs, as well as the central and axial parts of the body? Your answer should reflect your understanding of the origin and pathway of the corticospinal tract.