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.
Other symptoms of an ear infection may include: 1  Swelling, heat, or tenderness around or behind the ear. 2  Redness of the ear, ear canal, or skin around or behind the ear. 3  Drainage from the ear that does not look like earwax. 4  Itching of the ear or ear canal. 5  Fever.