The process of hearing

Sound waves enter the outer ears, moving into the ear canals setting the eardrums into mechanical vibration. This mechanical sound energy moves from the eardrum to the middle ear bones (hammer, anvil and stirrup) setting them into motion.

The bones in the middle ear amplify, or increase the sound vibrations and send them to the inner ear or cochlea, a snail-shaped structure filled with fluid. An elastic partition runs from the beginning to the end of the cochlea, splitting it into an upper and lower part. This partition is called the basilar membrane because it serves as the base, or ground floor, on which key hearing structures sit. These microscopic hearing structures are called ‘otocilia’ or hair cells.

Once the vibrations cause the fluid inside the cochlea to ripple, a traveling wave forms along the basilar membrane. Hair cells—sensory cells sitting on top of the basilar membrane -move with the sound wave. Hair cells near the wide end of the snail-shaped cochlea detect higher-pitched sounds, such as an infant crying. Those closer to the center detect lower-pitched sounds, such as a large dog barking.

As the microscopic hair cells move up and down, microscopic hair-like projections (known as stereocilia) that perch on top of the hair cells bump against an overlying structure and bend. Bending causes pore-like channels, which are at the tips of the stereocilia, to open up. When that happens, chemicals rush into the cells, creating an electrical signal and mechanic sound energy is converted to electrical sound energy.

The  auditory or hearing nerve carries this electrical sound signal to the brain’s auditory cortex or hearing centre, which processes the sound and assigns meaning to it so that we recognize and understand what we hear.

how we hear

Jenevieve’s patient centred approach is the real point of differentiation of Midland Hearing Care from other providers.  She believes in a patient first and product based intervention later approach.

Midland Hearing Care offers the following services;
You can find out more by clicking on the links below:

Outer Ear Examination (Otoscopy)
Middle Ear Health Check (Tympanometry)
Comprehensive Hearing Assessment (Children age 4+)
Hearing Assessment (Adults)
Tinnitus Assessment (Noise in the Ears)
Microsuction and Ear Irrigation Wax Removal
Specialist Custom Hearing Protection
Hearing Aid Consultation
E-Audiology (Remote Support Now Available)

Find out what our patients have to say on our testimonials page.

Please Contact us, we would like to help you find a solution for your hearing problem.

 

MHC_Facilities

 

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