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Auditory Development Challenges


                                           

How the hearing develops in child development



The 5 senses

, hearing, seeing, touching, tasting and smelling brings input from the
environment to the brain. Hearing is a significant input portion of the sensory system
that is crucial to developing critical thinking skills and sound social skills as well as
language development, balance, motor skills and a sense of location. Hearing
challenges and chronic ear infections will make significant changes to the learning
and development areas of the brain.





The auditory system

is the first of the 5 senses to develop in the womb. Every baby
is born with a startle reflex. The newborn’s startle reflex responds to every sharp
sound that may seem threatening. The auditory neuro pathways in the brain are
developed by hearing and cataloging sounds in the environment and most especially
during the first two years of life. The auditory function is so intimately tied to
neurological development that it affects every system in the body. Even psychological
problems can be a product from distorted hearing and errant hearing development.

As the child’s cranium grows the first few years, the Eustachian tubes (the tubes that
lead from the ears to the throat and drain the ears) lengthen and move from a
horizontal position to a downward slant to increase the natural drainage of the ear.
One of the most common problems that will affect hearing during critical development
windows in early child development is excess fluid behind the eardrums. 

Excess fluid behind the eardrum will often result in chronic ear infections

that
distort the quality of hearing which ultimately affects hearing development.  Excess
fluid behind the ear drum doesn’t always cause ear infections. If the Eustachian tube
does not drain properly fluid can accumulate in the ear without causing an infection .
Fluid buildup in the ear prevents the drum from vibrating appropriately and distorts the
hearing thereby affecting the development of auditory processing. 

A tympanogram is a tool that measures the tympanic pressure behind the eardrum. It
is a good indicator of a build-up of pressure in the ear and possible infection.
Tympanograms are noninvasive and are read by bouncing a sound wave or stream of
air off of the ear drum and measuring the rigidity of the ear drum to indicate pressure
behind the tympanic membrane. Children with chronic ear infections or pressure build-
ups should be monitored frequently until the underlying causes are discovered and
dealt with or the child “grows out of it”.

Many ear infections are unobtrusive and generally overlooked as normal and yet
recurrent infections can cause major developmental issues. Chronic ear infections
can cause a vicious cycle of perversions in the auditory, speech, and learning
processes. A simple ear infection can produce excess fluid pressure in the ear and
congestion that can also produce sinus infections which can lead to mouth breathing
and poor sinus development. Mouth breathing, when added to hearing and speech
difficulties will cause deviations and perversions in the tonal processing, resonance
processing, speech articulation and phonation ultimately affecting speech
development.

A child with a history of excess fluid and/or ear infections will also experience
problems isolating sounds from background noises.  This child may be able to attend
well in a quiet environment, but in a noisy classroom the ability to discriminate sounds
deteriorates.  Often the inability to discern background noises also leads to behavior
issues that are triggered by environmental sounds. The child may have very sensitive
hearing so that the slightest noise distracts it or even scares it.

Audiograms are often ordered for children when a hearing difficulty is suspected.
Audiograms detect threshold hearing levels that show hearing abilities and losses in
each ear. Audiograms produce a graph of what sound frequencies there may be a
loss of hearing. The biggest drawback of audiograms is that an audiogram cannot tell
if the input of sound is distorted or not.

This is important because there may be frequencies in which a person processes
very little information and still detects sounds but presents with no hearing loss
detected in the audiogram. Sometimes there are frequencies to which the person is
so sensitive that the brain shuts down the offensive input and frequencies in which
the sounds are distorted or cannot be distinguished from the background noise. In this
case everything is equally loud and becomes a confusing buzz of sound.

Sound distortions can lead to ADD or ADHD labels and a majority of children are on
Ritalin or Adderol because of auditory related processing challenges. Children that
are extremely sensitive to certain sounds will have behavior breakdowns in noisy
environments or put their hands over their ears when other children do not. A child
that is hypersensitive to environmental noises cannot go to sleep because of the hum
of a fluorescent light transformer in the next room or the sound of the washing
machine running at the other end of the house. Some hyper-auditory children can
even hear whispered conversations from a long way off.

A child that has extreme auditory distortions and is hyper-auditory often falls under
the Pervasive Development Disorder (PDD) spectrum or is labeled autistic.  The
distortions become a roar like trying to listen to 4 radio programs at the same time
and with the volumes turned up all the way. These children often develop auditory
sensory play that I call “stimming” or stimulating the brain by making repetitive
sounds, banging on things, drowning out noises with music, and banging their heads.
These behaviors are either desperate attempts to drown out sounds, and/or they
produces feel good endorphins in the brain while also making a desire for even more
stimming.  They brain eventually shuts out the offensive sounds and the sensory input
is so bad the vocabulary output is absent. 


The solution for auditory challenges lies in identifying and eliminating the causes of
the hearing distortions and aberrant development. Chronic ear infections have
causes that have to be eliminated before the symptoms of infection, distortion and
other problems can resolve. Recurring ear infections and the oft resultant antibiotic
treatments signal a deeper problem that has to be addressed before normal hearing
development can occur. Some overlooked causes of chronic ear infections are
fungus, allergies to milk or wheat products, reactions to food colors and additives,
bowel and stool problems, environmental sensitivities and even toxic levels of
mercury, lead, aluminum and other metals.  

Once the foundational aberration in hearing development is restored then normal
hearing development can resume on the next higher level. If the causes of hearing
distortion at the fundamental levels of development are not dealt with then the
struggle to develop the higher levels will remain hindered.

At Healing Pathways Medical Clinic we specialize in developmental disorders. We
have the means to measure tympanic pressure and identify allergies and
developmental issues that affect the auditory development. We design specific
developmental programs that deal with auditory, visual, tactile, language, mobility,
manual, emotional, educational and other issues in child development.
Authored by Neurodevelopment Consultant Craig Stellpflug NDC, CNC
Healing Pathways Medical Clinic Scottsdale, AZ
Copyright 2012 Craig Stellpflug© Permission is hereby granted to copy and distribute this article but only in its entirety

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