Fig. 9-7. Ipsilateral segmental and crossed long-tract deficits associated with left pontine lesion. Of note and frequently missed is the bilateral decrease in facial perception. There is anesthesia on the left from from involvement of the trigeminal complex and hypoesthesia on the right associated with total hemihypoesthesia from involvement of the crossed trigeminothalamic, spinothalamic and medial lemniscal systems. Review the section on conjugate gaze in chapter 3 to explain gaze paresis.

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