The placement of the electrodes for the electronystagmography record

Authors

  • Bárbaro Nicolás Socarrás-Hernández Centro de Investigación, Desarrollo y Producción "Grito de Baire"
  • Leonel Téllez-Traba
  • José Raúl Ledea-Vargas
  • Eulalia Alfonso-Muñoz
  • Carmen Brígida Busoch-Morlán
  • Ángel Regueiro-Gómez

Keywords:

Sistema Vestibular, electronistagmografía, electrodos, movimientos oculares, nistagmo.

Abstract

Background: quality of record of electronystagmography during the studies of the vestibular system depends on the proper selection and placement of the electrodes, which are usually located at specific points in the eye socket to allow the collection of the variation of electric potential generated between the cornea and the retina caused by the jerking of the induced or natural nystagmus.
Objective: to present the experimental results that demonstrate this influence by quantifying the effect on the records.
Development: it was used the technique of visual stimulation with moving target at different frequencies of movement, and the records were made under the lighting conditions established in the published standard for electrooculography, using a two-channel amplifier with a sampling frequency of 1 kHz. The results obtained reflect the change in the tensions in the records according to the electrode placement zone, there being an optimal zone for the adequate record of electronystagmography.
Conclusions: the affectation by zones in the records in the temporal domain and the frequency was demonstrated, and its influence in the generation of errors in the topographic diagnosis of diseases that affect the Vestibular System.


DeCS:ELECTRONYSTAGMOGRAPHY/methods; ELECTRODES, IMPLANTED; VESTIBULAR DISEASES; EYE MOVEMENTS; PHOTIC STIMULATION.

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Author Biography

Bárbaro Nicolás Socarrás-Hernández, Centro de Investigación, Desarrollo y Producción "Grito de Baire"

Ingeniero en Sistemas Automatizados (1983) del Instituto Técnico “José Martí” de La Habana, Máster en Bioingeniería (2016) por la Universidad Tecnológica de la Habana (CUJAE). Ha trabajado en varios proyectos I+D+i, participando en diferentes disciplinas vinculadas a la Informática, las Telecomunicaciones, la Electrónica y la Bioingeniería. Actualmente es Investigador Auxiliar y desarrolla su tema de doctorado relacionado con el estudio espectro-temporal de las bioseñales vinculadas con la respuesta del Sistema Vestibular en humanos.

References

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Published

2018-11-29

How to Cite

1.
Socarrás-Hernández BN, Téllez-Traba L, Ledea-Vargas JR, Alfonso-Muñoz E, Busoch-Morlán CB, Regueiro-Gómez Ángel. The placement of the electrodes for the electronystagmography record. Arch méd Camagüey [Internet]. 2018 Nov. 29 [cited 2025 Aug. 9];22(6):703-14. Available from: https://revistaamc.sld.cu/index.php/amc/article/view/5922

Issue

Vol. 22 No. 6 (2018)

Section

Technical Note

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