کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
5008434 1461843 2017 8 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Dry carbon/salt adhesive electrodes for recording electrodermal activity
ترجمه فارسی عنوان
الکترودهای چگالی کربن / نمک برای ثبت فعالیت الکترودرمی
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موضوعات مرتبط
مهندسی و علوم پایه شیمی الکتروشیمی
چکیده انگلیسی


- Fabricated a new electrode that is composed of a mixture of carbon, salt and adhesive, and examined if these electrodes can be used to record electrodermal activity.
- The main advantages of the Carbon/Salt adhesive electrodes are that they have infinite shelf-life and potentially cheaper to manufacture than the gold standard Ag/AgCl electrodes.
- There were no significant differences in the onset time, onset-to-peak time, amplitude of the skin conductance responses between the carbon/salt adhesive and Ag/AgCl electrodes.
- CSA electrodes are not affected by the polarization whereas Ag/AgCl electrodes are.
- Signal dynamics of EDA signals as calculated by the cross-correlation between CSA and Ag/AgCl electrodes were found to be highly correlated.

In this work, dry carbon/salt adhesive (CSA) electrodes are found to be suitable for collecting electrodermal activity (EDA) signals. Silver/silver chloride (Ag/AgCl) electrodes have been considered as a reliable media to obtain EDA signals. However, mainly the cost and the need for a hydrogel layer make it difficult to disseminate the practice of using EDA signals in practical applications. A mixture of carbon salt and adhesive has shown to be suitable for collecting bioelectric signals (FLEXcon's Patent #8,673,184). With the objective of testing how these electrodes compare for collecting EDA signals, AC and DC source devices were employed. Sixteen subjects underwent electric shocks and tonic emotional and cognitive stress. No significant differences were found in amplitude, onset-to-peak time and onset time between CSA and Ag/AgCl electrodes. Frequency-domain index, EDASympn, was not found to be different between the two electrode types. The time-varying spectral index was different between Ag/AgCl and EDA electrodes for DC devices, not for the AC devices. Ag/AgCl electrodes often polarized impeding the collection of EDA signals, suggesting that CSA electrodes provide better fidelity EDA measures. We conclude that CSA electrodes are a suitable surrogate of Ag/AgCl electrodes for collecting EDA signals.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Sensors and Actuators A: Physical - Volume 257, 15 April 2017, Pages 84-91
نویسندگان
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