Joe Wilson, age 55, has been told by experts that he has conductive hearing loss and that a hearing aid would restore his lost sense of hearing. It is likely that Joe's hearing loss involves problems within the .

MIDDLE EAR

Explanation:

Conductive hearing loss occurs when the passage of sound is blocked in either the ear canal or in the middle ear.

Fluid accumulation is the most common cause of conductive hearing loss in the middle ear, major causes are ear infections or conditions that block the eustachian tube, such as allergies.

Hearing aids are small electronic devices worn in the ear that make sounds louder and clearer, although they don't restore full hearing.

Conductive hearing loss involving the middle ear can be treated with surgery or hearing aids.

Therefore, it is likely that Joe's hearing loss involves problems within the MIDDLE EAR.