Archive for July, 2009

Acceptance

Thursday, July 9th, 2009

This morning I saw Ms Brown on a follow-up appointment. She has a mild to moderate sensory-neural hearing loss and has been fitted with digital aids binaural a year ago. From the notes it appeared that Mr P was not keen to have the hearing aids and the previous appointment was marked with stress and anger between patient and audiologist.
Today Ms Brown was complaining she can’t hear well with the aids and that it doesn’t seem helpful at all. On close examination it appeared that she doesn’t have the ear mould in properly and I instructed her again how to do this correctly.
While I was reprogramming her aids, I broached the subject of realistic expectations and that sparked her underlying emotions. She exploded in anger shouting she is NOT stupid and off course she doesn’t expect it to restore her hearing. Fortunately I have been through such scenarios before and I calmly held my tongue and had her vent her anger. She eventually burst into tears. Initially just sobbing without words and later finally admitting she finds her deafness a tremendous struggle.

This reminded me how important our role as counsellors, are and that we need to equip ourselves in Hearing Loss Counselling that enables patients to identify their difficulties. As in bereavement, a hearing loss may involve the process of grief, denial and anger before final acceptance. It is important for us to give our patients support.

When Ms Brown left unfortunately I could still feel her antagonism but appreciated that for her, it may be a long process of acceptance.

Until next time,

Dezi Belle

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Why birds fly into jet engines

Thursday, July 9th, 2009

A strange phenomenon but here is an interesting video and article on the subject.

By Dr. S. Allen Counter

While delivering a lecture at the University of Alaska, Fairbanks, years ago, I was asked to address a group of students who had recently lost their fathers in a military airplane crash at nearby Elmendorf Air Force Base. Their jet had been brought down because of a “bird strike” – birds flying into the aircraft’s engine. Twenty-four people died.
Click here to view how birds hear.

It was a difficult assignment, but I overcame my emotions and expressed condolences. A student asked, “Why do birds collide with airplanes, and how can we prevent such collisions?”

That is a question that the aviation world has tried to answer for years. Hundreds of deaths occur worldwide each year as a result of bird strikes, with a cost of more than $600 million annually to US aviation alone, according to the Federal Aviation Administration.

The issue is made even more pressing by the recent crash landing of US Airways Flight 1549 in the Hudson River following an apparent collision with birds.

In the 1980s, before my trip to Alaska, I undertook a biological study of why birds cannot get out of the way of aircraft. My investigation took me from Logan International Airport to a sea gull nesting area on Monomoy Island.

The field maintenance crew at Logan allowed me, and one of my students, to ride with them down the runways each morning on their brightly colored trucks, with a designated person on the back firing a shotgun to scare away the sea gulls, perched on the runways for warmth.

To my utter dismay, large jets would take off at closer-than-comfortable distances just behind our truck. The field crew acknowledged worrying that the birds would become disoriented and fly right into the plane’s engine.

Like most passengers, I never knew that such a risky exercise existed just outside the plane on which I comfortably sat. To see these birds, including owls and geese, so close during takeoff gave me tremendous discomfort.

Logan staffers captured several sea gulls for my study. Suspecting that the collisions had to do with sound localization – the ability to tell where a sound was coming from – and hearing, I examined the birds’ inner ears and brains for clues.

The findings were remarkable.

By placing electrodes in the section of the brain that responded to sounds, I discovered that the most sensitive region of the birds’ hearing was in the 1 to 3 kilohertz range – which, interestingly, is also the peak acoustic noise output of a modern jet engine.

In other words, the intense jet noise may interfere with a bird’s ability to hear by over stimulating the bird’s inner ear hearing receptors. The brain wave responses also showed diminished hearing capacity in older birds.

To view the source and to read more, click here.

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Audiology Poster

Thursday, July 9th, 2009

Do you hear that ringing sound? What? et al….

To view them click on:

Audiology Poster

ENT Poster

To buy any of these posters visit: JimBeran.com

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