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3D Printed Dry EEG Electrodes

Electroencephalography (EEG) is a procedure that records brain activity in a non-invasive manner. The cost and size of EEG devices has decreased in recent years, facilitating a growing interest in wearable EEG that can be used out-of-the-lab for a wide range of applications, from epilepsy diagnosis,...

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Detalles Bibliográficos
Autores principales: Krachunov, Sammy, Casson, Alexander J.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5087423/
https://www.ncbi.nlm.nih.gov/pubmed/27706094
http://dx.doi.org/10.3390/s16101635
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author Krachunov, Sammy
Casson, Alexander J.
author_facet Krachunov, Sammy
Casson, Alexander J.
author_sort Krachunov, Sammy
collection PubMed
description Electroencephalography (EEG) is a procedure that records brain activity in a non-invasive manner. The cost and size of EEG devices has decreased in recent years, facilitating a growing interest in wearable EEG that can be used out-of-the-lab for a wide range of applications, from epilepsy diagnosis, to stroke rehabilitation, to Brain-Computer Interfaces (BCI). A major obstacle for these emerging applications is the wet electrodes, which are used as part of the EEG setup. These electrodes are attached to the human scalp using a conductive gel, which can be uncomfortable to the subject, causes skin irritation, and some gels have poor long-term stability. A solution to this problem is to use dry electrodes, which do not require conductive gel, but tend to have a higher noise floor. This paper presents a novel methodology for the design and manufacture of such dry electrodes. We manufacture the electrodes using low cost desktop 3D printers and off-the-shelf components for the first time. This allows quick and inexpensive electrode manufacturing and opens the possibility of creating electrodes that are customized for each individual user. Our 3D printed electrodes are compared against standard wet electrodes, and the performance of the proposed electrodes is suitable for BCI applications, despite the presence of additional noise.
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spelling pubmed-50874232016-11-07 3D Printed Dry EEG Electrodes Krachunov, Sammy Casson, Alexander J. Sensors (Basel) Article Electroencephalography (EEG) is a procedure that records brain activity in a non-invasive manner. The cost and size of EEG devices has decreased in recent years, facilitating a growing interest in wearable EEG that can be used out-of-the-lab for a wide range of applications, from epilepsy diagnosis, to stroke rehabilitation, to Brain-Computer Interfaces (BCI). A major obstacle for these emerging applications is the wet electrodes, which are used as part of the EEG setup. These electrodes are attached to the human scalp using a conductive gel, which can be uncomfortable to the subject, causes skin irritation, and some gels have poor long-term stability. A solution to this problem is to use dry electrodes, which do not require conductive gel, but tend to have a higher noise floor. This paper presents a novel methodology for the design and manufacture of such dry electrodes. We manufacture the electrodes using low cost desktop 3D printers and off-the-shelf components for the first time. This allows quick and inexpensive electrode manufacturing and opens the possibility of creating electrodes that are customized for each individual user. Our 3D printed electrodes are compared against standard wet electrodes, and the performance of the proposed electrodes is suitable for BCI applications, despite the presence of additional noise. MDPI 2016-10-02 /pmc/articles/PMC5087423/ /pubmed/27706094 http://dx.doi.org/10.3390/s16101635 Text en © 2016 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC-BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Krachunov, Sammy
Casson, Alexander J.
3D Printed Dry EEG Electrodes
title 3D Printed Dry EEG Electrodes
title_full 3D Printed Dry EEG Electrodes
title_fullStr 3D Printed Dry EEG Electrodes
title_full_unstemmed 3D Printed Dry EEG Electrodes
title_short 3D Printed Dry EEG Electrodes
title_sort 3d printed dry eeg electrodes
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5087423/
https://www.ncbi.nlm.nih.gov/pubmed/27706094
http://dx.doi.org/10.3390/s16101635
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