About: Auricular vagus nerve stimulation for stress reduction: Evidence from alpha prefrontal asymmetry

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type	http://eprints.org/ontology/ConferenceItemEPrint http://eprints.org/ontology/EPrint Article Academic Article
seeAlso	HTML Summary of #91411 Auricular vagus nerve stimulation for stress reduction: Evidence from alpha prefrontal asymmetry
sameAs	Auricular vagus nerve stimulation for stress reduction: Evidence from alpha prefrontal asymmetry
Title	Auricular vagus nerve stimulation for stress reduction: Evidence from alpha prefrontal asymmetry
described by	https://demo.openlinksw.com/about/id/entity/https/www.cs.kent.ac.uk/people/staff/akj22/materials/CO644/export_kar_RDFN3.n3 https://demo.openlinksw.com/about/id/entity/https/raw.githubusercontent.com/annajordanous/CO644Files/main/export_kar_RDFN3.n3
Date	2021-04-14
Creator	Evangelia Fringi Surej Mouli Rahul Kanegaonkar Jane Ollis Sunil Arora I. McLoughlin Palaniappan Ramaswamy
status	peer reviewed published
Publisher	IEEE
abstract	This study explores auricular vagus nerve stimulation (aVNS) within the context of stress. Five healthy subjects underwent a pulsed mode aVNS (with a frequency of 25 Hz and pulse width of 200 μs) using a custom made current stimulation device. The device triggered the auricular vagus nerve branch through the tragus for 15 minutes, with prefrontal EEG data collected pre and post aVNS (each for 5 minutes) to capture stress indicators. Given that the frontal location is prone to noise, EEG signal pre-processing through independent component analysis (ICA) was used to reduce eye movements and other artifacts. Alpha (8-14 Hz) asymmetry in prefrontal location in both hemispheres was computed from locations Fp1 and Fp2 for one second segments of EEG; these asymmetry values were normalised by subtracting the post aVNS (or placebo) from pre aVNS (placebo). The normalised alpha frontal asymmetries were assessed for statistical significance using T-test. Results showed increased aVNS alpha prefrontal asymmetry compared to placebo, indicating reduced stress. This was statistically significant ( ) for all five subjects. It is therefore concluded that the pulsed mode aVNS stimulation at the tragus may represent a potential approach for stress relief.
Is Part Of	https://kar.kent.ac.uk/id/repository
Subject	R858 Computer applications to medicine. Medical informatics. Medical information technology
list of authors	https://kar.kent.ac.uk/id/eprint/91411#authors
presented at	2020 IEEE-EMBS Conference on Biomedical Engineering and Sciences (IECBES)
is topic of	https://www.cs.kent.ac.uk/people/staff/akj22/materials/CO644/export_kar_RDFN3.n3 https://raw.githubusercontent.com/annajordanous/CO644Files/main/export_kar_RDFN3.n3
is primary topic of	HTML Summary of #91411 Auricular vagus nerve stimulation for stress reduction: Evidence from alpha prefrontal asymmetry

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