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21.07.2014

Latest findings on tinnitus, tinnitus cause hearing loss - How to DIY

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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. 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. 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. 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. 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. Tinnitracks was one of nine winners at SXSW's Accelerator startup competition this past weekend. Research by Richard Salvi and colleagues in China and Canada may provide insights into how tinnitus may develop and be sustained.
A new study conducted by researchers from the Oregon Health & Science University and the Veterans Affairs Portland Medical Center suggests that a transcranial magnetic stimulation system typically used for depression treatment could also help alleviate the debilitating effects of a condition known as tinnitus. I have tinnitus associated with migraines, but the annoying volume comes and goes, I can live with it. At least one in every six Americans suffers from tinnitus — around 50 million people. He’s currently studying a second epilepsy patient with tinnitus, and is trying to find more. 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. The app analyzes individual tracks and filters the frequency that causes tinnitus for each user.
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.
But neuroscientific studies reveal that tinnitus is a symptom of abnormal hyperactivity in the brain's auditory cortex. It currently affects an estimated 45 million people, mostly veteran soldiers, living in the United States, according to the American Tinnitus Association (ATA), and a proven cure for the condition is yet to be developed. While most people affected by it resign themselves to chronic pain, Tinnitracks, a new web-based app, claims to treat the cause of the problem through filtered audio therapy.
Essentially, it takes three steps: select music files from personal collection, filter tinnitus frequency and upload a personalized track to an MP3 player to start therapy. This is what inspired a team of researchers from the Oregon Health & Science University (OHSU) and the Veterans Affairs (VA) Portland Medical Center, who were able to discover a potential cure for tinnitus in the form of transcranial magnetic stimulation (TMS). Folmer and his colleagues studied the effects of a system for transcranial magnetic stimulation on patients suffering from tinnitus.
The researchers conducted clinical tests on 64 people diagnosed with tinnitus to find out the effects of the TMS system on their condition.
To participate in the study, patients had to have symptoms of tinnitus a minimum of one full year.
Out of the 32 individuals who were given an active TMS treatment, 18 of them discovered that their tinnitus symptoms were considerably lessened for six months.
The findings also showed that many of the tinnitus patients who have had the condition for over 20 years experienced a significant reduction of symptoms.



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Comments to “Latest findings on tinnitus”

  1. AHMET:
    There's no cure for chronic tinnitus.
  2. K_I_L_L_E_R_0:
    Monitoring depression, similar 2- and 7-step anxiety people can hear their heartbeat ?a phenomenon.