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@ARTICLE{Eggermont:281689,
author = {Eggermont, Jos J. and Tass, Peter A.},
title = {{M}aladaptive {N}eural {S}ynchrony in {T}innitus: {O}rigin
and {R}estoration},
journal = {Frontiers in neurology},
volume = {6},
issn = {1664-2295},
publisher = {Frontiers Research Foundation},
reportid = {FZJ-2016-01377},
pages = {29},
year = {2015},
abstract = {Tinnitus is the conscious perception of sound heard in the
absence of physical sound sources external or internal to
the body, reflected in aberrant neural synchrony of
spontaneous or resting-state brain activity. Neural
synchrony is generated by the nearly simultaneous firing of
individual neurons, of the synchronization of
membrane-potential changes in local neural groups as
reflected in the local field potentials, resulting in the
presence of oscillatory brain waves in the EEG.
Noise-induced hearing loss, often resulting in tinnitus,
causes a reorganization of the tonotopic map in auditory
cortex and increased spontaneous firing rates and neural
synchrony. Spontaneous brain rhythms rely on neural
synchrony. Abnormal neural synchrony in tinnitus appears to
be confined to specific frequency bands of brain rhythms.
Increases in delta-band activity are generated by
deafferented/deprived neuronal networks resulting from
hearing loss. Coordinated reset (CR) stimulation was
developed in order to specifically counteract such abnormal
neuronal synchrony by desynchronization. The goal of
acoustic CR neuromodulation is to desynchronize
tinnitus-related abnormal delta-band oscillations. CR
neuromodulation does not require permanent stimulus delivery
in order to achieve long-lasting desynchronization or even a
full-blown anti-kindling but may have cumulative effects,
i.e., the effect of different CR epochs separated by pauses
may accumulate. Unlike other approaches, acoustic CR
neuromodulation does not intend to reduce tinnitus-related
neuronal activity by employing lateral inhibition. The
potential efficacy of acoustic CR modulation was shown in a
clinical proof of concept trial, where effects achieved in
12 weeks of treatment delivered 4-6 h/day persisted
through a preplanned 4-week therapy pause and showed
sustained long-term effects after 10 months of therapy,
leading to $75\%$ responders.},
cin = {INM-7},
ddc = {610},
cid = {I:(DE-Juel1)INM-7-20090406},
pnm = {89573 - Neuroimaging (POF2-89573)},
pid = {G:(DE-HGF)POF2-89573},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000363758800001},
pubmed = {pmid:25741316},
doi = {10.3389/fneur.2015.00029},
url = {https://juser.fz-juelich.de/record/281689},
}