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Wearable EEG and beyond
Biomedical Engineering Letters ; (4): 53-71, 2019.
Article in English | WPRIM | ID: wpr-763005
ABSTRACT
The electroencephalogram (EEG) is a widely used non-invasive method for monitoring the brain. It is based upon placing conductive electrodes on the scalp which measure the small electrical potentials that arise outside of the head due to neuronal action within the brain. Historically this has been a large and bulky technology, restricted to the monitoring of subjects in a lab or clinic while they are stationary. Over the last decade much research eff ort has been put into the creation of “wearable EEG” which overcomes these limitations and allows the long term non-invasive recording of brain signals while people are out of the lab and moving about. This paper reviews the recent progress in this fi eld, with particular emphasis on the electrodes used to make connections to the head and the physical EEG hardware. The emergence of conformal “tattoo” type EEG electrodes is highlighted as a key next step for giving very small and socially discrete units. In addition, new recommendations for the performance validation of novel electrode technologies are given, with standards in this area seen as the current main bottleneck to the wider take up of wearable EEG. The paper concludes by considering the next steps in the creation of next generation wearable EEG units, showing that a wide range of research avenues are present.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Scalp / Brain / Electrodes / Electroencephalography / Head / Methods / Neurons Type of study: Practice guideline Language: English Journal: Biomedical Engineering Letters Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Scalp / Brain / Electrodes / Electroencephalography / Head / Methods / Neurons Type of study: Practice guideline Language: English Journal: Biomedical Engineering Letters Year: 2019 Type: Article