Counteracting Tinnitus Symptoms And Related Cerebral Synchrony By Acoustic CR Neuromodulation | 12408
Otolaryngology: Open Access
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We used a model based desynchronization technique, acoustic coordinated reset (CR) neuromodulation, to specifically counteract
tinnitus-related neuronal synchrony thereby inducing an unlearning of pathological synaptic connectivity and neuronal synchrony.
In a prospective, randomized, single blind, placebo-controlled trial in 63 patients with chronic tonal tinnitus and up to 50 dB hearing
loss we studied safety and efficacy of different doses of acoustic CR neuromodulation. We measured visual analogue scale and tinnitus
questionnaire (TQ) scores and spontaneous EEG. CR treatment was safe, well-tolerated and caused a significant decrease of tinnitus
loudness and symptoms. Placebo treatment did not lead to any significant changes. Effects gained in 12 weeks of treatment persisted
through a preplanned 4-week therapy pause and showed sustained long-term effects after 10 months of therapy: Response, i.e. a reduction of
at least 6 TQ points, was obtained in 75% of patients with a mean TQ reduction of 50% among responders. CR therapy significantly lowered
tinnitus frequency and reversed the tinnitus related EEG alterations in a network comprising auditory and non-auditory brain areas (CR-
induced decrease of delta and gamma together with an increase of alpha), both indicative of CR-induced neuroplastic changes. Acoustic
CR neuromodulation causes both a significant clinical improvement and a significant decrease of pathological neuronal synchronization.
Peter Tass studied medicine (MD), physics (PhD) and mathematics (diploma) and made a Habilitation in physiology. Currently, he is director of the Institute of Neuroscience and Medicine ? Neuromodulation at the Research Center Juelich, Germany. Additionally, he is a full professor in Neuromodulation at Cologne University and head of the Research Division for Neuromodulation at the Dept. of Stereotactic and Functional Neurosurgery, Cologne University. He has published more than 100 papers and serves as an editorial board member of several journals.
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