Tinnitus emissions (SOAEs), which are faint high-frequency tones that are produced in the inner ear and can be measured in the ear canal with a sensitive microphone, may also cause tinnitus. About 8% of those with SOAEs and tinnitus have SOAE-linked tinnitus, while the percentage of all cases of tinnitus caused by SOAEs is estimated at about 4%. Some people experience a sound that beats in time with their pulse, known as "pulsatile tinnitus" or "vascular tinnitus". Pulsatile tinnitus is usually objective in nature, resulting from altered blood flow, increased blood turbulence near the ear, such as from atherosclerosis or venous
American Tinnitus Association American Tinnitus Association The American Tinnitus Association (ATA) purpose is to promote relief, help prevent, and find cures for tinnitus. Starting in 1980, the association has granted close to $6 million dollars in funding for tinnitus research. Many of these researchers have gone on to receive larger grants from the National Institutes of Health (NIH) based on ATA-funded research. Contributions to the association also go towards advocacy work in Washington, D.C. The ATA was created as resource for the under served tinnitus community. Many tinnitus patients had been routinely disregarded by physicians who did not have the information they needed