Tinnitus hum, but it can also arise as a subjective phenomenon from an increased awareness of blood flow in the ear. Rarely, pulsatile tinnitus may be a symptom of potentially life-threatening conditions such as carotid artery aneurysm or carotid artery dissection. Pulsatile tinnitus may also indicate vasculitis, or more specifically, giant cell arteritis. Pulsatile tinnitus may also be an indication of idiopathic intracranial hypertension. Pulsatile tinnitus can be a symptom of intracranial vascular abnormalities and should be evaluated for "irregular noises of blood flow" (bruits). The mechanisms of subjective tinnitus are often obscure. While it is not surprising that direct trauma
American Tinnitus Association money for research relating to tinnitus. Until his death in 2010, dr. Vernon was involved with the organization as an honorary board member, patient advocate, and general adviser. The ATA's board of directors consists of a carefully chosen group of professionals. These professionals includes audiologists, researchers and tinnitus advocates. All participants have been influential in creating a nonprofit organization that aims to serve as a resource for tinnitus sufferers. ATA's Scientific Advisory Committee (SAC), consists of scientists who are influential in the tinnitus community. The committee is in charge of choosing individuals for the grant awards. To apply for an