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THE HISTORY OF TACTILING
In
June, 1945, I was on my first trip outside Sweden after the war. I was
eight years old and lived with my parents in a suburb of Stockholm. I
had just finished the spring school term and was visiting my sister in
Denmark. Suddenly I got very ill and was sent to a hospital, where they
found I had contracted meningitis. While spending several weeks in
hospital recovering, it became apparent that I had lost my hearing. At
first I had some balance problems too, but these rapidly went away. But
my deafness stayed and although my parents took me to a Swedish clinic
for observation and hearing tests, there was nothing to test. I had
become and, would remain, completely deaf. My parents were told I
should attend a special school for deaf children where I could learn to
Sign. And that was that.
But then my parents met a man named
Erik Wedenberg, a Professor of Audiology, who was at that time
developing a new kind of oral training for deaf children. He encouraged
my parents to speak loudly and clearly into my ears to stimulate
whatever residual hearing I might have. What I remember is that there
were other cues from his method, such as feeling the breath stream, and
on occasions this plus some lipreading helped. In the end Erik
Wedenberg became a close friend and advisor to my parents, and for me
the most important thing he did was to get my parents directly involved
with my rehabilitation.
My father and mother started daily
training sessions in which they spent hours reading to me from books
with their mouths up close to my ear speaking as loudly and clearly as
possible. For my part, I did not perform as expected because I was
irritated by the physical closeness and I placed my hand rather firmly
against their necks to push them away. When I pushed them away, I would
watch their faces as they read and I think this led me to make a
connection between what I was feeling tactually with my hand against
their necks and what I was seeing about how their mouths and faces
moved. In any event, although this method was not what was planned, we
made rapid progress in my rehabilitation. I experimented with different
hand positions and eventually found one that seemed to be the best. I
found that placing my hand on the shoulder with my thumb loosely
against the side of the neck was most comfortable and gave the most
information.
This training period only lasted about a month.
After that I always placed my hand on the neck of someone I was talking
to. I performed so well that at the end of that summer I returned to my
regular school. From that time on I performed as a hard-of-hearing
person, not a deaf one. I finished my secondary school training and
later attended a university where I received my degrees in chemistry.
In those days there were no assistive services available for deaf
university students, but with help from my fellow students I was able
to get by. I have received no additional rehabilitative training, have
studied and learned to speak and write in several foreign languages
although I have never heard them spoken.
I don't wish to give
the impression that my life has been without problems. There have been
some of course, but I can't recall ever experiencing any social ones
having to do with my method of communication. It has always been
accepted. I have a normal family life and have been employed in the
same molecular biology group for the last 30 years. For the last ten
years, I have worked with an audiological clinic trying to develop aids
and methods that will help other deaf individuals use the tactile
method. More about this later; I will first recall how I use the
natural, unaided "tactiling".
The way I use tactiling with
strangers, or what I think of as my "tactile tactics", depends on the
situation. Sometimes I just read lips if it is an easy situation like
buying a newspaper. If I need better understanding, I use my
"pickpocket tactic". I casually place my hand on a stranger's shoulder
and tell them to please repeat what they said because I don't hear so
well. Sometimes I tell them it helps me to understand if I place my
hand on their shoulder. That usually works. One thing that people find
unusual is that I have rarely received any negative response to my
methods. Just the opposite is the usual case. People will say things
like, "It's so interesting and practical". "Do other deaf people use
the same method as you?" The key seems to be that the stranger should
first experience the difficulty of communicating with a deaf person and
then be offered a way to make it so much easier.
When I'm in an
unfamiliar group of people, or in an unfamiliar situation, I always let
people know from the beginning that I'm deaf and I try to locate the
individual in the group who knows about the group, or the topic, or the
milieu in which we are operating. This person then usually becomes my
"interlocutor". Part of being a successful deaf person, it seems to me,
is to learn to pick the right "interlocutor" for the specific
situation. This affective aspect is an important part of the success of
tactiling. Also, tactiling is a very positive reminder to people in the
group that you are deaf.
EVOLUTION OF TACTILATOR
In the
early 1980's I had the opportunity to try out some newly developed
tactile aids. I had often thought about using my combined practical
experience as a deaf person using the tactiling method along with my
knowledge of electronics and physics to develop some kind of tactile
device. The devices I saw represented a number of different approaches
and while some of them (one in particular, the "Sentiphone" by Hartmut
Traunmuller) were pretty good, they all had some shortcomings. I found
I could perform better with my own methods than with these devices. Not
long after this I experienced a much neater and smaller device at the
Department of Speech Communication and Music Acoustics at the Royal
Institute of Technology in Stockholm. This device called the "Minivib"
was developed by Dr. Karl-Eric Spens. Again, while I thought this
device was very nice, I felt it supplied less information to me than
direct tactiling and later studies by Karl-Eric and Geoff Plant of The
Australian National Acoustics Laboratory showed my suspicions were
correct. In spite of its limitations I found the Minivib to be useful
on some occasions, so I started carrying one around. Also, the
continued interest at the Royal Institute by Karl-Eric and Dr. Arne
Risberg encouraged me to continue my work in seeking some way of
building a tactile device that worked really well for me.
Let me
interrupt this story just for a moment and tell you about my situation
at the time I am writing about. Until 1984 I had almost no contact with
other hearing-impaired people. I wasn't totally aware that a hearing
loss could be so disabling. I thought if you had established language
skills it really wasn't much of a problem. I was only vaguely aware
that tactiling was unknown to the vast majority of deaf people. I was
far more involved with the trivial every day problems that concern us
all; my family, my career and my social life. At about this time a
campaign was started in Sweden to identify the adult deaf community and
I was interested in this and from that time on I became involved and
interested in finding out more about a suitable tactile aid. I was
convinced that a good tactile aid would be very useful to many deaf
people, not just myself.
In that same year (1984) I attended a
meeting of the International Federation of the Hard of Hearing and
presented a paper on my thoughts on Tactiling and tactile aids. I was
hoping that at this meeting I would meet other Tactilers, because I
knew how successful the approach had been for me. Unfortunately this
didn't happen. There are very few deaf individuals who use tactiling in
their daily lives. I have met or heard of only three other deaf persons
after having sought for nearly twenty years.
In spite of this
lack of use or knowledge about tactile aids and tactiling, I started to
make some progress. In 1985 Geoff Plant from Australia (visiting at the
Royal Institute of Technology in Stockholm) and Karl-Eric Spens of that
same institute invited me to participate in studying 2 different
tactile aids and comparing them to tactiling. After that work a number
of people from the field of cognitive psychology became interested in
the subject, and Gunilla Ohngren, who lives in my home-town of Uppsala,
started her Doctoral Thesis on Lipreading supplemented by Tactiling.
Together Gunilla and I started looking at different methods for
building a tactile device directed to Tactiling and at this time
Gunilla invented the name "Tactilator". Concerning the development of
the device, I originally discussed the principles with engineers from
the Royal Institute and they built a laboratory prototype, which worked
well. Then I received a grant to develop it further in Uppsala and got
help from the audiological department and the hearing aid engineer, Jan
Nordstrand. We succeeded in constructing a small wearable device.
Gunilla used this device in her thesis work and showed that all
subjects improved their lipreading rates from 10% to 50% when using
this device. And this was with no previous experience or training. This
was a very exciting result indeed!
In 1990 there was a meeting
of the tactile aid community in Sidney, Australia, which I attended.
This first meeting of the International Tactile Aid Conference was
organized and run by Geoff Plant of The National Acoustics Laboratory
who I have mentioned previously. Also at this meeting I met David
Franklin, President of Audiological Engineering Corporation of the
United States, for the first time. Two years later, at the second
meeting of this conference, this time held in Stockholm, David, Geoff,
and I came up with the idea of trying to get a Grant from The National
Institutes of Health(NIH) in the United States to fund the development
of a commercial version of a Tactilator. David wrote the Grant, Geoff
relocated to Audiological Engineering, and NIH provided the money. It
took a long while, but we finally did it and the new device from
Audiological Engineering called the "Tactilator" is the result of our
work.
If you wish to email Gustaf, he can be reached at Gustaf
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