Hearing

Researchers Closer To Helping Hearing-Impaired Using Stem Cells

Researchers at Indiana University School of Medicine are several steps closer to the day when a profoundly deaf patient’s own bone marrow cells could be used to let him or her hear the world. The IU group, led by Eri Hashino, Ph.D., was able to transform, in the laboratory, stem cells taken from adult bone marrow into cells with many of the characteristics of sensory nerve cells -- neurons...

Frog’s ear canal may provide insights for understanding human hearing loss

A rare frog that lives in rushing streams and waterfalls in east-central China is able to make itself heard above the roar of flowing water by communicating ultrasonically, scientists reported March 16 in the journal Nature. Attributes that enable the frog to hear ultrasounds are made possible by the presence of an ear canal, which most other frogs don't have. "Our research points out an e...

Yale researchers find environmental toxins disruptive to hearing in mammals

Yale School of Medicine researchers have new data showing chloride ions are critical to hearing in mammals, which builds on previous research showing a chemical used to keep barnacles off boats might disrupt the balance of these ions in ear cells. "Our data are the first to directly show that chloride ions are crucial for our exquisite sense of hearing," said Joseph Santos-Sacchi, professo...

Nicotine exposure during development leads to hearing problems

Scientists know that children of women who smoke during pregnancy can develop hearing-related cognitive deficits. For the first time, researchers believe they have evidence that not only implicates nicotine as the culprit, but also shows what the substance does to the brain to cause these deficits. In a study using rats, Raju Metherate, associate professor of neurobiology and behavior, a...

Female birds boost up their eggs when hearing sexy song

In a new study published in the latest issue of Ethology researchers show that female songbirds can alter the size of eggs and possibly the sex of their chicks according to how they perceive their mate's quality. The researchers played back attractive ("sexy") songs and less attractive control songs of male canaries to female domesticated canaries. When the females started egg-laying they...

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Green County courts to hold hearings via video conferencing

A 2003 study by the Wisconsin Office of Justice Assistance found the county could save $...

Public Hearing Held for controversial anti-cloning bills

The hearings are being held to solicit public sentiment on <a href=http://www.legis.state.wi.us/2003/data/AB-104...

Hearing at Medicine News

Noise tampers hearing

Like adults, children are likely to suffer hearing loss from continued exposure to loud noises like music, power generators, drilling machines and firecrackers, according to a new national survey. The survery says that 5 million children have noise-induced hearing loss in one or both ears. If the loss is only in one ear, the child's overall hearing is usually not affected, says Laura Sie...

A new hearing device improves hearing

A new ray of hope for hearing impairment. A new hearing device that is implanted in the middle ear gives better sound quality than a more conventional aid. Doctors say that there's now a better option for those with hearing loss.//The usual kind of hearing aid transmits sound through the eardrum, and may produce feedback - distracting sounds and whistles - as well as giving the wearer the feeling...

Assessment for hearing aid implants in the process

According to a new research, implants to aid hearing loss are going down well with those who use them. Hearing loss affects around a quarter of all adults aged over 60 in the United States. Traditionally there was one option for those with a hearing problem - an acoustic hearing aid. // Now, however, there's another choice - an implant into the middle ear which directly vibrates the su...

Hearing loss can be detected by simple screening

Researchers have studied evidence on hearing loss in older people and have found that 25 to 40 percent of those aged 60 and older are hearing impaired. Doctors while examining older patients must check for hearing loss, for this may be easily remedied. The condition can lead to depression, social isolation and decrease in functional ability. There are several reliable tests to detect hearing loss...

A High-Definition Hearing Aid that thinks for you

Hearing loss affects all ages. Standard hearing aids amplify all sounds, which makes hearing one sound difficult. Now, there's a new option say researchers. New, all-digital hearing aids are changing that.// This version of this hearing aid automatically distinguishes between speech and sounds.Audiologists say, "The key reason somebody comes in for a hearing aid is that they find that...

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Hearing Problems

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Hearing Loss

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Hearing screening

al assessment (determining whether a baby was born premature by...

Hearing impairment

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Hearing

by bone conduction occurs when a sound wave or other source of vibration causes the bones of th...

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