Author
Listed:
- LILIAN CELESTE ALARCÓN-SEGOVIA
(Instituto de Matemática Aplicada del Litoral, Universidad Nacional del Litoral and Consejo Nacional de Investigaciones, CientÃficas y Técnicas, Santa Fe, Argentina)
- ROSARIO MOREL
(��Instituto de Desarrollo Tecnológico para la Industria QuÃmica, Universidad Nacional del Litoral and Consejo Nacional de Investigaciones, CientÃficas y Técnicas, Santa Fe, Argentina)
- RUBÉN SPIES
(Instituto de Matemática Aplicada del Litoral, Universidad Nacional del Litoral and Consejo Nacional de Investigaciones, CientÃficas y Técnicas, Santa Fe, Argentina)
- IGNACIO RINTOUL
(��Instituto de Desarrollo Tecnológico para la Industria QuÃmica, Universidad Nacional del Litoral and Consejo Nacional de Investigaciones, CientÃficas y Técnicas, Santa Fe, Argentina)
Abstract
Electroencephalography (EEG) is a non-invasive technique used to measure the electrical activity of the brain. The use of EEG is very important for the diagnosis of traumatic brain events and mental states such as injury, stroke, depression and many others including the COVID-19 brain fog syndrome. The quality of EEG signals largely depends on the nature of the interface between the surface of the electrode material and the surface of the scalp from where the electrical brain signals are acquired. The scalp surface is composed of an epidermic substrate with hair, grease, dirt, dandruff, skin peels and eventually many different hair products. The electrodes must combine several properties including electrical conductivity, mechanical strength, biocompatibility and corrosion resistance. They also must be manufactured with shapes designed to overcome the inherently complex nature of the scalp–electrode interface. This review reports the latest advances in the design of materials, surface coatings, conductive gels and information and communication technologies being developed to increase the quality of measurement of brain electrical signals in EEG protocols.
Suggested Citation
Lilian Celeste Alarcã“N-Segovia & Rosario Morel & Rubã‰N Spies & Ignacio Rintoul, 2024.
"THE CHALLENGING SCALP–ELECTRODE INTERFACE AND THE EVOLUTION OF MATERIALS AND ELECTRODE INTEGRATED ICTs FOR ELECTROENCEPHALOGRAPHY,"
Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 31(09), pages 1-14, September.
Handle:
RePEc:wsi:srlxxx:v:31:y:2024:i:09:n:s0218625x24300090
DOI: 10.1142/S0218625X24300090
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