Wearable System for the Gait Assessment in Stroke Patients

Popović, Dejan B.; Topalović, Ivan; Dedijer-Dujović, Suzana; Konstantinović, Ljubica

doi:10.1007/978-3-030-01845-0_198

Cited by 1 publication

(1 citation statement)

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“…Foremost, is their stability and simplicity, as they do not require gel application and are easy to place on the body. Furthermore, dry electrodes benefit from a great design versatility that can optimally accommodate a wide range of applications, such as facial EMG Hanein 2019, Inzelberg et al 2020), gait analysis (Popović et al 2019), gesture recognition (Ben Ari et al 2023), and sleep monitoring (Shustak et al 2019, Oz et al 2023. With the ease of their application to the skin, thin dimensions and dry nature, these electrodes are ideal for electrophysiological investigations of freely behaving humans (Inzelberg and Hanein 2019).…”

Section: Introductionmentioning

confidence: 99%

Bio-potential noise of dry printed electrodes: physiology versus the skin-electrode impedance

Arché-Núñez,

Krebsbach,

Levit

et al. 2023

Physiol. Meas.

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Objective. To explore noise characteristics and the effect physiological activity has on the link between impedance and noise. Approach. Dry-printed electrodes are emerging as a new and exciting technology for skin electro-physiology. Such electrode arrays offer many advantages including user convenience, quick placement, and high resolution. Here we analyze extensive electro-physiological data recorded from the arm and the face to study and quantify the noise of dry electrodes, and to characterize the link between noise and impedance. In particular, we studied the effect of the physiological state of the subject (e.g. rapid eye movement sleep) on noise. Main results. We show that baseline noise values extracted from dry electrodes in the arm are in agreement with the Nyquist equation. In the face, on the other hand, the measured noise values were higher than the values predicted by the Nyquist equation. In addition, we studied how different electrode properties affect performances, including electrode size, shape, and material properties. Significance. Altogether, the results presented here provide a basis for understanding dry electrode performances and substantiate their great potential in electro-physiological investigations.

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