Suffering from tinnitus leads to reduced attention and less enjoyment of listening to music. This is what emerges from the first results of a study on people suffering from these famous so-called subjective noises: a constant whistling, buzzing or crackling, manifested in the absence of stimuli by the perception of a “phantom sound”. voice Symptoms are often related to acoustic ear trauma or aging (presbycusis).
According to a meta-analysis published in August 2022 in the journal Tinnitus, 14.4% of adults worldwide (740 million) of all ages combined suffer from tinnitus. JAMA Neurology and conducted by Italian, German, Swedish, Dutch and British researchers. They reviewed 767 publications and selected 113 scientific articles between 1972 and 2021 to estimate the prevalence and incidence of tinnitus worldwide. The effects vary greatly from one individual to another, ranging from simple irritation to severe impairments in daily life (sleep problems, irritability, hypersensitivity to noise, etc.) The National Institute for Health and Medical Research (Inserm), dedicated to this disorder in October 2023, suggests , that every tenth person in France experiences it. Very disconnected forms represent less than 1% of cases.
Called Audicog, the study was carried out by Severin Samson, professor of neuropsychology at the University of Lille, Alain Londereau, otolaryngologist, and their team at the Assistance publique-Hôpitaux de Paris (European Georges-Pompidus and Pitiers Hospital – Salpétrière) and the Brain Institute – using functional neuroimaging to study neural networks changes associated with tinnitus, while assessing the auditory, social-emotional and cognitive profile of affected subjects. Supported by the Hearing Foundation, this project also aims to isolate specific neural networks that could be targeted for future therapeutic treatments.
Excessive hearing fatigue
“We already know a lot about tinnitus, but we can’t quite put it all together”Severin Samson emphasizes. “With Audicog, our goal is essentially to better understand what cognitive factors are associated with tinnitus intolerance and try to preserve only what is specific to tinnitus. Adds Allen Londero. That is, excluding all confounding factors: hearing loss, anxiety, sleep disorders, depression, which may be associated…” Once this dissociation is achieved, the team hopes that much more targeted therapeutic approaches will be possible.
Source: Le Monde
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