
| How Tomatis works | Who can benefit | Research studies | Overview |
T he DLS Treatment Process |
The Listening Program (TLP) |
During
the last half of the twentieth century, Alfred A. Tomatis, a French M.D.,
researcher and ear, nose and throat specialist, defined the ear as a primary
organ for multiple physical, emotional and neurological development responses.
Not only is the ear and its complex ability to send information to the brain and
the body primary for hearing and sound perception, it establishes balance and
equilibrium. It is also primary for the development of verticality, spatiality,
laterality and language development.
Tomatis, made his pioneering discovery
that “the voice can only produce the harmonics that the ear is able to
perceive.” This identification of the role that the ear played in vocal
production became the first law of what later came to be called the “Tomatis
Effect.” Tomatis also discovered that if the missing frequencies could be
restored to the ear, through a device he called the Electronic Ear (EE) they
would be returned to the voice and with sufficient training of the ear and voice
through the EE, the changes would become permanent. These discoveries had
important implications for populations as diverse as singers and children having
difficulty in acquiring language.
Tomatis came to believe that the ear was much more than an organ of hearing. It
is, he maintained in charge of functions including; energizing and regulating
the brains state of alertness and attention; coordinating posture and movement;
and connecting our intentions and thoughts with our physical and verbal
transactions upon our environment. Tomatis’ life mission eventually became the
understanding of how the ear was physiologically involved in acquiring and
controlling of the voice and language. To this end he invented several
technologies, which could be used to rehabilitate the ear related functions of
alertness, attention, coordination and voice.
Tomatis's innovative
research is based on the ear's ability to discriminate between sounds it selects
to hear and the ability to tune out sounds that are unwanted. The ear's ability
to listen and focus, select sounds spatially and regulate auditory information
as it is perceived by the brain, has become the theme in over a hundred centers
worldwide dedicated to assist children and adults with speech and communication
disorders, attention deficit disorders, head injuries, and autism.
The listening process beings in utero when the fetus becomes aware of sound and frequencies in the liquid world of the heartbeat, breath and sound of the mother's voice. In La Nuit Uterine (Edition Stock, Paris, 1980), Tomatis explores in depth clinical observations on the state of intrauterine listening. He defines the phylogenic and ontogenetic progression of the ear and its neurological implications for the development of language.
Dr. Tomatis proved that the voice can reflect the state of the ear's ability to hear, a phenomenon know as the Tomatis Effect. When the perception of midrange and high frequencies is missing in the prenatal and the first three years of life, difficulties in listening and learning often arise. Without any obvious traces in deafness, a deficient ability to hear frequencies below 1000Hz can cause difficulty in understanding and remembering spoken information. A listening test for each ear was developed by Dr. Tomatis to show specific areas where frequency deficiencies occur. Defective variations in frequencies between 1000Hz and 2000Hz make it difficult to sing in tune. When there are difficulties above 2000Hz, the voice will be dull and not expressive.
Generally, a healthy adult
can hear up to the 20,000Hz range, giving a bright and clear ability to
distinguish sounds. When there is a loss in the high frequencies, it is
necessary to strain. The ability to focus upon and select sounds or voices in a
noisy room is one of the primary challenges of those with listening
disabilities.
In the 1950's
Tomatis developed a listening technique to 're-educate the ear' based upon the
following four principles:
The following chart created by Timothy Gilmore from the "Overview of the Tomatis Method" by Gilmore, Madaule, and Thompson, 1989) shows the essential role of the ear.
At the level of receptive oral language, the following can be considered symptomatic of a listening problem:
At the level of body awareness or body image, the following can be observed:
At the level of spoken Language, individuals with listening-based communication problems are frequently seen to have very poor audio-vocal control or self-listening. Such symptoms include:
In compiling clinical histories at listening centers using the Tomatis method, the following events have had an unusually high incidence among individuals with listening-based learning and communication problems:
Listening integrates sensations and perceptions. The complexity of multiple roles of the ear is difficult to measure because of the ear's simultaneous regulation of information it receives from bone and air conduction in regard to both cochlear and vestibular functions.
In the late 1950's and 1960's Dr. Tomatis developed the Electronic Ear, a device for training the ear for optimal listening. With the information that has been assessed from the listening test, the speaking voice, chant and the music of Mozart is then filtered through the Electronic Ear. It is then possible to exercise and literally train the ear to listen more efficiently. Programs range from fifty to two hundred hours of auditory stimulation over a period of a few months through both air and bone conduction. This process is monitored by a specialist to observe the progress of the ear's ability to become a better receptor for more subtle discriminations in linguistic, musical and emotional response. There are passive phases of listening when drawing, resting and working with puzzles assist the listening process. In more active phases of reading aloud and chanting, the Electronic Ear filters and gates sounds so that the ear receives optimal stimulation at the most needed frequencies. (Note from Incredible Horizons; DLS-Tomatis equipment is so much more efficient that it can optimize performance in and average of thirty visits of one hour and twenty minutes.)
Tomatis was keenly aware that every language has a particular frequency range and accents at certain points. By stimulating the unique frequency ranges through music and vocal participation, the foreign tongue becomes familiar to those studying the language. A richer, more melodious expression of the new language becomes evident as study and the Electronic Ear stimulation work together for ease of the learner.
Medical research for the Electronic Ear has predominated taken place in Europe and Central America. The State of Washington now supports a Tomatis program for those on welfare. The research and work of Tomatis is evident throughout the world.
Born
on Christmas Day, 1920, Dr. Tomatis passed away in Carcassonne, France, on
Christmas Day, 2001. Over a hundred and fifty centers in fifteen countries are
continuing the research with the power of music, Mozart and the Electronic Ear.
Bibliography
Books by Alfred A. Tomatis
Books in English:
The Conscious Ear, Station Hill Press, Barrytown, NY, 1991
Education and Dyslexia,
AIAPP Publishers, Fribourg, Switzerland, 1978
The Ear and
Language,
Moulin Publishing, Norval, Ontario, Canada, 1996
Among other discoveries, Dr. Tomatis helped identify the relationship between certain sound frequencies and their effect on functions of the mind and body. A simplified explanation of Dr. Tomatis’ findings shows that certain bands, or zones, of sound frequencies affect different abilities:
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For a deeper understanding of Tomatis theories
and how they work
Click Here

The Tomatis Method refers to a
method of auditory stimulation developed by Dr. Alfred Tomatis. Ron Minson, MD,
founder of Dynamic Listening Systems (DLS), studied with Dr. Tomatis and used
the Tomatis equipment for years. Dr. Minson founded DLS to develop a listening
system that utilizes the most recent advances in psychoacoustic technology.
Although the DLS equipment differs from the Tomatis equipment, the essential
method and audio techniques are intimately connected to the pioneering work of
Dr. Tomatis.
The following research articles can be
accessed by clicking on the link following each description.
For articles and media coverage
CLICK HERE
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The
Effects of the Tomatis Method of Auditory Stimulation on Auditory Processing
Disorder: A Summary of Findings.
Ross-Swain, Deborah (2005). CCC Speech-Language Pathologist
This retrospective study analyzed the results of 41 randomly
selected APD cases (18 females, 23 males) who underwent auditory stimulation
programs. The effect of the treatment was measured using TAPS (Test of Auditory
Perceptual Skills) and TCC (Token Test for Children). The study evaluated the
areas of immediate auditory memory, auditory sequencing, interpretation and
following directions, auditory discrimination and auditory cohesion. The results
indicated significant differences in all areas that were assessed and compared.
To view this paper please
click here.
Early
Intervention: A Longitudinal Study of Reading and Reading Related Achievement of
Students in Kindergarten Through Second Grade Enrolled in the Alpha Program
Prepared by J. Anne Calhoun, Ph. D. Educational Psychology
Department of Language, Literacy, and Sociocultural Studies
College of
Education, University of New Mexico 2006
To view,
click here.
Hillside
Health CenterOngoing Study
data collected by Maxwell Fraval, D.O. and Harry Armytage,
Hillside Health Center, Kambah, Australia 2006
This summary of data
covers 4 DLS test areas: visual/auditory processing speed, selectivity, auditory
digit span, and right-ear dominance.
To view,
click here.
The
Efficacy of the Tomatis Method for Children with learning and communication
disorders: a meta-analysis.
Gilmore, Tim (1999). Published in the International Listening
Journal, 1999.
A meta-analysis is a specific type of research, which examines previously completed research studies. This meta-analysis looks at 5 studies* of Tomatis-based auditory stimulation remediation. The analysis, involving a total of 231 children, concluded that the remediation significantly improves linguistic skills, psychomotor skills, personal and social adjustment skills, auditory skills, and cognitive skills.
To view the study click here (IJL, Vol 13, 1999)
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