Medical Physics Of Cochlear Ear Implant Adrian Barbagallo,

Medical Physics Of Cochlear Ear Implant Adrian Barbagallo,

Medical Physics Of Cochlear Ear Implant
Adrian Barbagallo, Nathan Doolan and Jadzia Kearnan
SHSC and PVCC

Cochlear 101

Introduction

Challenging Stereotypes of what I thought physicists were like

What is the project about: Tomography and its applications in biology
and IT

Male vs female stereotypes
We thought it would be even gender wise, but we were surprisingly informed to find that it
was about a 3 men to 1 women ratio.
Can I identify with physicists and physics?
We thought that they were just like you and I normal people.
Do I think I am able to do physics, am I capable?
We dont know, but with practise and determination we believe that we could become
physicists.
Has it changed my mind about studying physics or staying in physics studies?
We were very intrigued by the applications physics has. Physics to us is real world maths and
has endless possibilities.

Tomography: a technique for displaying a representation of a cross
section through a human body or other solid objects using x-ray or
ultrasound. We learnt about the mechanisms of the inner ear and
sound, we then learnt about cochlear implants and tomography's
application in assisting with their installation.
We were to understand the intricate techniques used in physics,
biology and its application in other sciences regarding the implant.
We thought physics was just maths but for the real world. We
thought that it was just writing equations on a board like a
mathematician, But we were wrong.

Aim/Motivation

New Understanding

Our aim was to further our knowledge on tomography, sound, the ear and
implants. We did research on the resonance pipe to help us understand
how resonance works. We learnt about how the closed pipes amplitude
varies based on the distance the microphone is from the speaker.

After this course we now all have a better understanding of physics and
its contributions to science and society. We have learnt about the wide
range of job opportunities that physics branches into. It is not just real
world maths but it is the application of this maths to matter and energy.

How is this project related to a real world problem?
This project taught us a lot about understanding sound. This has applications in
medicine, as the improvements and implantation of cochlear implants relies on
our understanding of sound and how it is transmitted to the brain. Without this
knowledge of sound, cochlear implants would not be a reality. Understanding
how resonance affects structures helps to avoid catastrophes such as the
Tacoma Narrows bridge collapse.

Cochlear Talk.
On our first day we had Keith talk to us about tomography, sounds, the ear and
implants. We discussed the basics of how sounds travels and then how an ear
hears the sound. We then leant how a cochlear implant bypasses the biological
mechanism of the ear. We then went on a tour around the physics building with
Nick. We saw the CT room, 3-D printer, Observatory and the machine shop.
On the second day, we revisited the cochlear and investigated how frequency
changes using resonance pipes. As the frequency increases the amplitude
changed in the pipe. We know that it was a closed pipe as it has a lower
amplitude.
Briefly describe what you did and how. How was working with scientists
different from the usual investigation and inquiry you do at school?
What data did you collect and what did it mean

How has being part of GTP changed my appreciation for physics?

Being part of GTP has changed our appreciation for physics by
showing us the many different pathways and applications that
physics can take. We have now learnt there are many career
pathways that physics can take, as well as collaborating with
many other different disciplines in science and the real-world
applications of physics.

The Australian Synchrotron

Reflection about the job opportunities that physics can open
up for me.
Physicist, Nanotechnologist, Physics Teacher, Business advisor,
Geologist, Forensic scientist, Material engineer etc.
How important is it to know the types of jobs you can follow
to the subject choices you make?
It is important so that you can have a clear pathway into a career
that you want for later in life.

Conclusions
Write your conclusion here
We learnt that physics is the study of matter and energy and that it is an important part of
science and can even merge with other areas of science. It is also an important part of moving
forward as a society.
This program has made us all more likely to continue with physics up to or past year 12 as it as
taught us a lot about the possibilities of physics related careers, and also what physics
encompasses and teaches us in the field of science.

Acknowledgements
Physical Sciences department
The Growing Tall Poppies Science Partnership Program
Elana, Keith and Nick

Cochlear 101
www.coecxs.org

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