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PoliticsWhat are the lawmakers, and other state and federal officials, up to when it comes to health reform laws? Starr, a 52-year-old audio engineer who makes his living by his ears, suffered no visible injury.
An even more powerful driver of tinnitus research is the enormous incidence of the problem among Iraq and Afghanistan war veterans who’ve suffered blast damage. The conventional theory is that tinnitus is the brain’s response to damage of the tiny hair cells in the inner ear.
Scientists have thought that tinnitus occurs when the auditory brain centers try to fill in the gaps caused by this hair-cell damage by creating phantom sounds. But this theory of tinnitus “might not be entirely correct,” says Phillip Gander of the University of Iowa.
A new report’s findings suggest that tinnitus is more complicated than scientists thought.
Gander is an author of a new report in the journal Current Biology that challenges conventional thinking.
In essence, the researchers have discovered the signature of tinnitus — at least in the case of one Iowa man who has suffered from tinnitus for years, probably from recreational gun use. This 50-year-old man gave researchers a rare opportunity: the ability to record his brain waves from a wide network of electrodes implanted directly into his brain.
After the surgery, the patient’s seizures disappeared. But before the surgery, he agreed to let Gander and his colleagues use the electrodes to eavesdrop on his brain.
To identify the neuronal signature of tinnitus, they needed to turn it off — or at least turn down the volume of the phantom sound. By monitoring the patient’s brain waves while his tinnitus was active or silenced, they could identify the brain waves associated with his tinnitus. Interestingly, even though multiple areas of the Iowa man’s brain are involved, he has only mild tinnitus. The new evidence is only from a single patient, so Gander says it needs to be interpreted cautiously.
But the discovery that tinnitus can involve many areas of the brain is not especially good news.
He thinks the abnormal tinnitus-associated brain waves found in the Iowa patient are fixable by using sound to retrain the brain.

They’re using two approaches: music therapy and a game that employs audio as well as video. In both, the first step is to identify the pitch or frequency of the phantom tone in each research subject’s own tinnitus. The game is structured so the tones close to the subject’s own tinnitus don’t help win the game.
In music therapy, subjects listen to music of their choice that has been filtered to remove their tinnitus tone. That dovetails with the Iowa research showing the abnormal brain waves of tinnitus reach into areas involved with emotion, attention and memory. If they succeed, Polley thinks they’ll find that tinnitus sufferers will have to keep practicing the game or music therapy or whatever is shown to work, or the effect will fade. An effective treatment might also prevent tinnitus from getting worse with age, as normal hearing loss occurs. About CommonHealthMassachusetts is the leading laboratory for health care reform in the nation, and a hub of medical innovation. Research has suggested that exercise does not offset the potential health harms of prolonged sitting, but a new Norwegian study suggests that exercise is in fact protective — if you do it hard enough to improve your fitness level.
RELATED TOPICSOpioid Addiction CrisisWBUR’s Morning Editiongeneticscancer vaccinecancerLATEST POSTSOpinion: Pending Mass. He had come to watch a friend cross the Boston Marathon finish line on that fateful April day.
But, like at least 70 other marathon bombing victims, he’s left with a never-ending reminder of that moment — a death knell that never stops ringing in his head. Starr and a few dozen other bombing victims are participating in studies supported by the One Fund, created to help bombing victims, that are aimed at devising an effective treatment. At least one in every six Americans suffers from tinnitus — around 50 million people. But after decades of dead-end research, scientists are beginning to figure out what causes the constant ringing, whistling, whooshing or hissing that makes sufferers feel trapped inside their own heads. These delicate sensors translate air pressure on the eardrum, caused by sound waves, into nerve signals. It might not stem simply from an isolated defect in the auditory cortex, the part of the brain that perceives sound. When medication no longer worked for him, his only option was surgery to selectively destroy the brain cells that were kindling his seizures.

He’s currently studying a second epilepsy patient with tinnitus, and is trying to find more. He’s a neuroscientist at the Massachusetts Eye and Ear Infirmary who specializes in “neural plasticity” — the ability of brain activity to be remolded. Eye and Ear focuses on the mechanisms that allows auditory processing centers in the brain to recover function after damage to the cochlea.
Just so, when the ear picks up a particular tone in the environment, the corresponding brain region is stimulated. In fact, there’s already an app that “notches out” the pitches in music represented by a user’s tinnitus tones.
My tinnitus was probably caused by pressure from a middle-ear infection years ago that blew out my right eardrum.
From the lab to your doctor’s office, from the broad political stage to the numbers on your scale, we’d like CommonHealth to be your go-to source for news, conversation and smart analysis. Paid Leave Bill Targets An Issue Of 'Human Dignity Violated'Policies For Transgender High School Athletes Vary From State To StateSudders: Combating Mass.
Of these, the condition is “burdensome” for 20 million, according to the American Tinnitus Foundation.
Meanwhile, he hopes researchers can validate the findings in animals with an experimental form of tinnitus.
In a tinnitus patient, neural activity in the region for a particular tone, or range of tones, “is often disorganized and hyperactive,” Polley says.
The Harvard group hopes to fine-tune this approach and show that it works in a broad range of tinnitus sufferers. Your hosts are Carey Goldberg, former Boston bureau chief of The New York Times, and Rachel Zimmerman, former health and medicine reporter for The Wall Street Journal. Polley adjusts the setting on equipment that allows him to stimulate key regions of the brain and measure neural activity.

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19.03.2014 admin

Comments to «New medicine for ringing in the ears 900s»

  1. rocker writes:
    Optimised for distinct hearing hours, typically.
  2. Pantera writes:
    Can manage loud middle ear fluid, the sooner you will.
  3. Krasavcik writes:
    Sensory data from the electrical signals are downloaded.
  4. S_H_U_V_E_L_A_N writes:
    Off my previous space shown no improvement for that I regularly have street lights go on or off when passing beneath.