Identification of functional biomarkers for tinnitus and tinnitus+hyperacusis in humans

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URI: http://hdl.handle.net/10900/106077
http://nbn-resolving.de/urn:nbn:de:bsz:21-dspace-1060774
http://dx.doi.org/10.15496/publikation-47455
Dokumentart: Dissertation
Date: 2021-02-28
Language: English
Faculty: 4 Medizinische Fakultät
Department: Medizin
Advisor: Knipper-Breer, Marlies (Prof. Dr.)
Day of Oral Examination: 2020-07-27
DDC Classifikation: 610 - Medicine and health
Keywords: Ohrgeräusch
Other Keywords: Tinnitus
Hyperakusis
fMRT
BERA
fMRI
ABR
Hyperacusis
License: Publishing license excluding print on demand
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Inhaltszusammenfassung:

Dissertation ist gesperrt bis 28. Februar 2021 !

Abstract:

Tinnitus is known as the sound people perceive, without an external stimulation. It affects around 15 – 20 % of the population. Until now, there is no single treatment to eliminate the tinnitus percept permanently, which is also owed by the fact, that the pathophysiological mechanisms are poorly understood and controversial debated. The majority of tinnitus literature suggests the tinnitus percept to be the result of elevated spontaneous activity that is translated to a tinnitus percept by neural gain. Few other studies – including our own – suggest tinnitus rather to be linked to reduced central gain. We here hypothesized that contrasting views about the neural correlate of tinnitus may be due to possible comorbidities as hyperacusis that might be linked to central activity patterns different from tinnitus and thereby might hide characteristics of tinnitus-specific brain activities.

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