__The fusiform gyrus is also in the frontal lobe, and also plays an interesting role in language processing in the brain. This area helps you recognize words and classify things within other categories. Damage to this part of the brain can cause difficulty in recognizing words on the page.
Damage to the nerves in the leg and foot are another common cause of numb feet. Damage to the peripheral nervous system is known as peripheral neuropathy and affects how signals are transmitted from the nerves to the central nervous system, commonly causing foot numbness.
1 Symptoms of sciatica originating at this L5-S1 level, which is at the bottom of the spine, may include: pain and/or numbness to the lateral, or outside, of the foot; weakness that results in difficulty raising the heel off the ground or walking on the tiptoes. 2  The patient may have reduced ankle-jerk reflex.