Which structure's infarction can give rise to left hypesthesia, left homonymous hemianopia,left facial weakness, tongue detion to the left side, and plantar extensor on the left side?
Infarction of the internal capsule gives rise to contralateral symptoms. Thus, infarction to the right internal capsule would result in left-sided symptoms, including Tactile hypesthesia, Contralateral anesthesia, Contralateral hemiparesis (with the Babinski sign), Contralateral lower facial weakness, and Contralateral homonymous hemianopia.
Left internal capsule
Left pulvinar
MGB
Right internal capsule
Neuroanatomy 1