Journal Article

DZNE-2023-00919

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Effects of transcutaneous auricular vagus nerve stimulation paired with tones on electrophysiological markers of auditory perception.

Rufener, K. S. ; Wienke, C. ; Salanje, A. ; Haghikia, A.DZNE* ; Zaehle, T.

2023
Elsevier New York, NY [u.a.]

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Please use a persistent id in citations: doi:10.1016/j.brs.2023.06.006

Abstract: Transcutaneous auricular vagus nerve stimulation (taVNS) has been introduced as a non-invasive alternative to invasive vagus nerve stimulation (iVNS). While iVNS paired with tones has been highlighted as a potential effective therapy for the treatment of auditory disorders such as tinnitus, there is still scarce data available confirming the efficacy of non-invasive taVNS. Here, we assessed the effect of taVNS paired with acoustic stimuli on sensory-related electrophysiological responses.A total of 22 healthy participants were investigated with a taVNS tone-pairing paradigm using a within-subjects design. In a single session pure tones paired with either active taVNS or sham taVNS were repeatedly presented. Novel tones without electrical stimulation served as control condition. Auditory event related potentials and auditory cortex oscillations were compared before and after the tone pairing procedure between stimulation conditions.From pre to post pairing, we observed a decrease in the N1 amplitude and in theta power to tones paired with sham taVNS while these electrophysiological measures remained stable for tones paired with active taVNS a pattern mirroring auditory sensory processing of novel, unpaired control tones.Our results demonstrate the efficacy of a short-term application of non-invasive taVNS to modulate auditory processing in healthy individuals and, thereby, have potential implications for interventions in auditory processing deficits.

Keyword(s): Humans (MeSH) ; Vagus Nerve Stimulation: methods (MeSH) ; Transcutaneous Electric Nerve Stimulation: methods (MeSH) ; Auditory Perception (MeSH) ; Electric Stimulation (MeSH) ; Auditory Cortex: physiology (MeSH) ; Vagus Nerve: physiology (MeSH) ; Biomarkers (MeSH) ; Biomarkers ; Auditory cortex ; Tone pairing ; Transcutaneous vagus nerve stimulation

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Contributing Institute(s):

1. Clinical Neurophysiology and Memory (AG Düzel)

Research Program(s):

1. 353 - Clinical and Health Care Research (POF4-353) (POF4-353)

Appears in the scientific report 2023

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Database coverage:
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