The brain has two halves or hemispheres: right and left. The right hemisphere controls the left side of the body, and the left hemisphere controls the right side. In most people, the left hemisphere regulates language and speech, and the right hemisphere controls nonverbal, spatial skills.
Ear canal infection Symptoms of an ear canal infection include ear pain and itching, decreased hearing, drainage and more. Earwax blockage Sometimes ear wax can harden and block the ear canal, causing discomfort and itching, earache, and more.
The symptoms of an ear infection in adults are: Earache (either a sharp, sudden pain or a dull, continuous pain) A sharp stabbing pain with immediate warm drainage from the ear canal. A feeling of fullness in the ear. Nausea. Muffled hearing.