Hearing test results for an individual with normal low frequency hearing, sloping to severe hearing loss, also are shown on the graph. Hz will not be heard. This loss of some speech components but not others can cause speech to sound muffled or distorted. The types of hearing loss depends on what part of the ear is affected. The outer ear is the part that can be seen and includes the ear canal.
Hair cells are in the inner ear , or cochlea.
Nerve fibers attached to the hair cells communicate with the brain. A hearing problem located in the outer or middle ear is called a conductive hearing loss. This type of hearing loss is more likely to respond to medical or surgical treatment. A hearing problem in the inner ear is called a sensorineural hearing loss. This kind of hearing loss is usually permanent.