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What is Hearing Loss?

What is
Hearing Loss?

What is Hearing Loss?

Hearing loss is the brain’s inability to assign meaning to the electrical stimuli it receives from peripheral hearing (the cochlea).

Hearing Loss may be divided based on where it originates, frequency/pitch, degree of impairment, or a combinations of these factors.

Hearing loss can be distinguished into Peripheral or Central Hearing Loss.

Peripheral Hearing loss – Malfunctioning in the system which conducts sounds through the ear and converting them efficiently and accurately to electrical stimuli.

Central Hearing Loss - The brain has reduced ability to assign meaning to the received electrical information.

Types of Hearing Loss

Peripheral Hearing loss divides into two groups, conductive and sensory hearing loss.

Conductive hearing loss indicates a problem in the mechanical parts of the ear. The Ear (Auricle), the ear canal, the eardrum or the middle ear structure are all part of the conductive structure of the ear which converts air pressure differences to mechanical energy. Any problem with any of these parts results in reduced loudness and frequency changes. Typically a conductive hearing loss does not degrade the signal quality but results only in reduced intensity.

Sensory hearing loss indicates a problem in the structure of the cochlea where mechanical energy is converted to electrical stimuli and/or cochlea nerve. Any problem in this area results in loss of loudness as well as distortion and degraded signal quality.

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