EEG-Hat with Candle-like Microneedle Electrode

Kawana, Takumi; Yoshida, Yuri; Kudo, Yuta; Miki, Norihisa

doi:10.1109/embc.2019.8857477

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…The lead wire is connected to the electrode via the inside of the insertion part, which prevents the lead wire from hindering the movement of the shutter and contacting the electrode to the scalp. This was not the case for our prior work [ 46 ], where the design resulted in a low measurement yield and long setup time.…”

Section: Design and Fabricationmentioning

confidence: 65%

“…We highlighted two design parameters for the module, which are the shutter angle and the rotation angle of the ball joint. The shutter angle determines the separation of the hair and was experimentally found that 60° was the optimum [ 46 ]. The rotation angle, which is depicted in Figure 5 , affects the contact between the electrode and the scalp.…”

Section: Design and Fabricationmentioning

confidence: 99%

“…Then, the CMEs are inserted into the modules and brought into contact with the scalp, where the hair is mechanically pushed away with a shutter mechanism. We presented the concept of the EEG-Hat first [ 46 ]. In this study, we refined the design to facilitate the setup and enhance the reliability in the measurement.…”

Section: Introductionmentioning

confidence: 99%

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Design and Characterization of an EEG-Hat for Reliable EEG Measurements

et al. 2020

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In this study, a new hat-type electroencephalogram (EEG) device with candle-like microneedle electrodes (CMEs), called an EEG-Hat, was designed and fabricated. CMEs are dry EEG electrodes that can measure high-quality EEG signals without skin treatment or conductive gels. One of the challenges in the measurement of high-quality EEG signals is the fixation of electrodes to the skin, i.e., the design of a good EEG headset. The CMEs were able to achieve good contact with the scalp for heads of different sizes and shapes, and the EEG-Hat has a shutter mechanism to separate the hair and ensure good contact between the CMEs and the scalp. Simultaneous measurement of EEG signals from five measurement points on the scalp was successfully conducted after a simple and brief setup process. The EEG-Hat is expected to contribute to the advancement of EEG research.

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Section: Design and Fabricationmentioning

confidence: 65%

Section: Design and Fabricationmentioning

confidence: 99%