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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2018.1
- 수록면
- 1 - 13 (13page)
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Background: One of the key issues in electroencephalogram (EEG) monitoring is accurate signal acquisition with less cumbersome electrodes. In this study, the L2 phase electro- deposited nanoporous platinum (L2-ePt) electrode is introduced, which is a new type of electrode that utilizes a stable nanoporous platinum surface to reduce the skin-electrode impedance. Methods: L2-ePt electrodes were fabricated using electro-deposition technique. Then, the effect of the nanoporous surface on the surface roughness and the electrode impedance were observed from the L2-ePt electrodes and the flat platinum (FlatPt) electrode. The skin-electrode impedances of the L2-ePt electrodes, a gold cup electrode, and the FlatPt electrode were evaluated when placed on the hairy occipital area of the head in ten subjects. For the validation of using the L2-ePt electrode, a correlational analysis of the alpha rhythms was performed in the same subjects for simultaneous EEG recordings using the L2-ePt and clinically-used EEG electrodes. Results: The results indicated that the L2-ePt electrode with a roughness factor of 200 had the lowest mean impedance performance. Moreover, the proposed L2-ePt electrode showed a significantly lower mean skin-electrode impedance than the FlatPt electrode. Finally, the EEG signal quality recorded by the L2-ePt electrode (r = 0.94) was comparable to that of the clinically-used gold cup electrode. Conclusion: Based on these results, the proposed L2-ePt electrode is suitable for use in various high-quality EEG applications.
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참고문헌 (36)
참고문헌 신청
Uhlhaas PJ / 2006 / Neural synchrony in brain disorders: relevance for cognitive dysfunctions and pathophysiology / Neuron 52(1):155~168
Brown RE / 2012 / Control of sleep and wakefulness / Physiol Rev 92(3):1087~1187
Noachtar S / 2009 / The role of EEG in epilepsy: a critical review / Epilepsy Behav 15(1):22~33
Williams RL / 1964 / Sleep patterns in young adults: an EEG study / Electroencephalogr Clin Neurophysiol 17(4):376~381
Zhang XS / 2001 / EEG complexity as a measure of depth of anesthesia for patients / IEEE Trans Biomed Eng 48(12):1424~1433
Brown RE / 2012 / Control of sleep and wakefulness / Physiol Rev 92(3):1087~1187
Noachtar S / 2009 / The role of EEG in epilepsy: a critical review / Epilepsy Behav 15(1):22~33
Williams RL / 1964 / Sleep patterns in young adults: an EEG study / Electroencephalogr Clin Neurophysiol 17(4):376~381
Zhang XS / 2001 / EEG complexity as a measure of depth of anesthesia for patients / IEEE Trans Biomed Eng 48(12):1424~1433
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