ReC

ReC Bioengineering designs and develops innovative detection systems for HD-sEMG and EEG signals acquisitions

Advancements in electrode technology play a critical role in the field of HD-sEMG and EEG biopotential acquisition, enabling the possibility to acquire high-quality biosignals.

Together with the development of front-end and acquisition electronics (biopotential amplifiers like the MEACS system) ReC Bioengineering Laboratories designs, develops, and commercializes cutting-edge detection technology for HD-sEMG and EEG acquisitions with the aim of enhancing wearability and signal quality.

One key innovation in the HD-sEMG field is ReGrid® [1], a highly conformable and fully ultrasound transparent HD-sEMG electrode patch. ReGrid® technology adapts to curved body shapes in both static and dynamic conditions, enabling HD-sEMG acquisitions in new and challenging conditions. ReGrid® ensures electrode-skin contact quality comparable to that of standard, gel-based, HD-sEMG grids. The high quality of the collected signals enables the extraction of both global sEMG and single motor unit variables.

Other examples of new electrode technology developed at research level are a textile-based electrode array [2], an intraoral grid for tongue HD-sEMG [3], new electrode technology for sEMG-driven prosthetic control [4], and an EEG electrode cap developed for dynamic EEG acquisitions [5]. Collectively, these innovations paved the way for using HD-sEMG and EEG in challenging scenarios in sports science, rehabilitation, and neurophysiology fields.

Bibliography from the LISiN-ReC group

[1] G. L. Cerone, T. Vieira, M. Gazzoni, and A. Botter, “ReGrid: a highly conformable and ultrasound transparent patch for HD-sEMG detection,” submitted to the IEEE. Preprint available at the following DOI link: https://doi.org/10.36227/techrxiv.175099860.02131635/v1.

[2] G. L. Cerone, A. Botter, T. Vieira, and M. Gazzoni, “Design and Characterization of a Textile Electrode System for the Detection of High-Density sEMG,” IEEE Trans. Neural Syst. Rehabil. Eng., vol. 29, pp. 1110–1119, 2021.

[3] A. Botter, T. Vieira, C. Busso, F. Vitali, M. Gazzoni and G. L. Cerone, “Design and Test of an Intraoral Electrode Grid for Tongue High-Density Electromyography,” in IEEE Transactions on Neural Systems and Rehabilitation Engineering, vol. 32, pp. 2805-2814, 2024, doi: 10.1109/TNSRE.2024.3434360.

[4] G. Rolandino, C. Zangrandi, T. Vieira, G.L. Cerone, B. Andrews, JJ. FitzGerald. HDE-Array: Development and Validation of a New Dry Electrode Array Design to Acquire HD-sEMG for Hand Position Estimation IEEE Trans Neural Syst. Rehabil. Eng. 2024 in press. doi: 10.1109/TNSRE.2024.3490796

[5] A. Giangrande, A. Botter, H. Piitulainen,G. L. Cerone. “Motion Artifacts in Dynamic EEG Recordings: Experimental Observations, Electrical Modelling, and Design Considerations”. Sensors (Basel). 2024 Sep 30;24(19):6363. doi: 10.3390/s24196363. PMID: 39409399; PMCID: PMC11479364.