The Effects of an Ocular Direct Electrical Stimulation on Pattern-Reversal Electroretinogram.
direct current stimulation
electroretinogram
non-invasive brain stimulation
ocular electrical stimulation
pattern-reversal ERG
Journal
Frontiers in neuroscience
ISSN: 1662-4548
Titre abrégé: Front Neurosci
Pays: Switzerland
ID NLM: 101478481
Informations de publication
Date de publication:
2020
2020
Historique:
received:
06
03
2020
accepted:
13
05
2020
entrez:
27
6
2020
pubmed:
27
6
2020
medline:
27
6
2020
Statut:
epublish
Résumé
Studies on transcranial current stimulation have shown that a direct current stimulation of the occipital cortex can influence the amplitude size of a visual evoked potential (VEP). The current direction (cathodal or anodal) determines whether the VEP amplitudes increase or decrease. The aim of this study was to design a new experimental setup that will enable a simultaneous ocular direct current stimulation and electroretinogram (ERG) recording which will broaden our understanding of current stimulation effects on the visual system. Furthermore, we examined whether a direct current stimulation on the eye has a similar effect on an ERG as on a VEP. The pattern-reversal ERG was measured with sintered Ag/AgCl skin-electrodes, positioned on the lower eyelid (active), the earlobe (reference), and the forehead (ground). Direct current was applied through a ring rubber electrode placed around the eye and a 5 cm × 5 cm rubber electrode placed at the ipsilateral temple with a current strength of 500 μA and a duration time of 5 min. Fifty-seven healthy volunteers were divided into three groups depending on the current direction (cathodal, anodal, and sham stimulation,
Identifiants
pubmed: 32587502
doi: 10.3389/fnins.2020.00588
pmc: PMC7298143
doi:
Types de publication
Journal Article
Langues
eng
Pagination
588Informations de copyright
Copyright © 2020 Blum, Hunold, Solf and Klee.
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