Auditory Integration Training, AIT, Berard AIT, Auditory, Auditory Integration

 AIT Helps Improve the Lives and Learning of Those with Autism, ADHD, Hyperacute Hearing, Speech Delays & 10 Days.

The AIT Institute is the #1 Provider off AIT At Home Services globally and is the largest AIT resource website in the world.

AIT is the #1 clinically studied auditory based educational intervention!  All sessions are conveniently completed at home under the supervision of an AIT Practitioner. AIT services are available in the USA, Canada and other English speaking countries.

AIT requires 10 hours of sound therapy, with 20 sessions of 30 minutes each, done 2 times daily over 10 consecutive days.  This listening therapy helps to correct hyperacute hearing,  tinnitus and other auditory challenges.

AIT has been used successfully with children and adults with many different diagnoses for over 60 years.  

Remarkable results are achieved for many families. There are more than 60+ years of clinical research and 28+ scientific studies on AIT.

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What Is An Audiogram?


What Is An Audiogram?
An audiogram is a
hearing tests that is usually carried out in an environment which is soundproofed from external noise. It is normally done by a licensed audiologist.  The person whose hearing is being tested listens to sounds transmitted by an audiologist and presses a button to signal when they have heard something. The results of the test are plotted on an audiogram. The person must be able to comply in order to have a reliable audiogram.

An audiogram graph shows the softest sounds a person can hear at different pitches or frequencies.

In an audiogram provided by an audiologist, an “O” often is used to represent responses for the right ear and an “X” is used to represent responses for the left ear.  (see diagram below)

Frequency In An Audiogram

  • Frequency or pitch is measured in Hertz (Hz). Frequencies range from low-pitch to high-pitch and read from left to right on the audiogram. Each vertical line represents a different frequency. The frequencies tested in an audiogram from an audiologist are usually these six (6) frequencies: 250, 500, 1000, 2000, 4000 and 8000 Hz.
  • The frequencies or pitches that have been used during a hearing test above are shown on the horizontal axis as the vertical lines. These frequencies are low on the left side of the audiogram (250Hz), then gradually climb to higher frequencies on the right side (8000 Hz or 8kHz). Humans can hear frequencies from 20 Hz up to 20,000 Hz, but an audiogram usually only shows a subset of our hearing range. It focuses on the frequencies that are the most important for a clear understanding of speech and for spoken words.

Intensity Of Sound In An Audiogram

  • The intensity is measured in decibels (dB). The intensity relates to how loud or soft a sound is. Each horizontal line represents a different intensity level. The softest sounds are at the top of the chart and the loudest sounds at the bottom. Each mark on an individual’s hearing test would represent the softest sounds they could hear. The softest intensity tested is typically 0 dB and the loudest is 120 dB.

  • The volume or loudness that is required to reach a person's hearing threshold is shown on the vertical axis as horizontal lines. These are expressed in deciBels Hearing Level (dBHL). The dBHL are not absolute loudness levels but represent a difference between your hearing and the average "normal" hearing. When scoring 0 dBHL, your hearing exactly matches the norm. Higher values are signs of hearing loss.

  • Normal hearing is defined by thresholds lower than 15 dBHL at all frequencies, not strictly at 0 dBHL. The loudness scale goes from very soft sounds on top (-10 dBHL) to loud sounds at the bottom (110 dBHL).

When doing a hearing test, markers will be set on the audiogram,and will correspond to your personal hearing thresholds.

  • Once the test is completed, every sound located above the markers will be inaudible to you.

Levels of Hearing Loss Shown In an Audiogram

  • Note: In terms AIT, anything that is above 0 is considered to be a "hyperacute" frequency.
  • Hearing loss is classified in degrees of hearing from normal to a profound loss. This classification is determined by the hearing threshold which is the softest a sound was heard at a specific frequency.

Classification of Hearing Loss

Hearing Threshold

Normal hearing 0 to 20 dB
Mild 21 to 40 dB
Moderate 41 to 55 dB
Moderately-severe 56 to 70 dB
Severe 71 to 90 dB
Profound 91+ dB

About Listening Tests and Audiograms That Done For Berard AIT

  • Audiograms for Berard AIT require that the Listening Test is done in a different manner.  Instead of the 6 frequencies, all 10 frequencies are tested.
  • If the Listening Test is done by an audiologist who not accustomed to Berard AIT, it is important that the audiologist tests all theses ten (10) frequencies:
    125Hz, 250Hz, 500Hz, 750Hz, 1000Hz, 1500Hz, 2000Hz, 3000Hz, 4000Hz, 6000Hz, 8000Hz

    Note On Audiograms

    Audiograms or Listening Tests are NOT required to AIT to be effective. We do not require testing for children with autism, those age of 6 and under, or those who can't cooperative to obtain a reliable audiogram or Listening Test results.  Not all cases who can do testing will require any additional filters to be for AIT to be successful.

    The largest clinical study ever done on AIT for children with autism with 445 participants in 1994 done by the Autism Research Institute did not use listening test on this population. Do not be overly concerned if you are the parent of a child who is ineligible to perform these tests because they have autism,  are under the age of five OR because they may have difficulty participating in the audio tests. The tests may provide information resulting in a tangible benchmark as to the effects of Berard AIT - but are not essential to its success!

Example of a Berard AIT Listening Test With Audio Graph - Left and Right Ears

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