Wireless EEG system with real time impedance monitoring and active electrodes

Author

Patki, Shrishail ; Grundlehner, Bernard ; Verwegen, A. ; Mitra, Subhasish ; Xu, Jie ; Matsumoto, Akiyoshi ; Yazicioglu, Refet Firat ; Penders, Julien

Author_Institution

Holst Centre, imec-nl, Netherlands

fYear

2012

fDate

28-30 Nov. 2012

Firstpage

108

Lastpage

111

Abstract

In this paper, we present a miniaturized (<;6cm³) and low noise (60nV/√Hz) wireless EEG sensor node with active electrodes and simultaneous electrode tissue impedance (ETI) monitoring. The added benefit of the active electrodes and continuous ETI monitoring is quantified in terms of susceptibility against power line interference and cable motion artefacts. The sensor node is benchmarked against a reference system for similarity measures in EEG frequency response in the relevant bandwidth. Applications of this prototype are foreseen in the clinical, lifestyle and entertainment domains.

Keywords

biological tissues; biomedical electrodes; electroencephalography; wireless sensor networks; EEG frequency response; active electrodes; cable motion artefacts; continuous ETI monitoring; low noise wireless EEG sensor node; power line interference; real time impedance monitoring; reference system; relevant bandwidth; sensor node; simultaneous electrode tissue impedance monitoring; wireless EEG system; Electrodes; Electroencephalography; Impedance; Monitoring; Noise; Wireless communication; Wireless sensor networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Biomedical Circuits and Systems Conference (BioCAS), 2012 IEEE

Conference_Location

Hsinchu

Print_ISBN

978-1-4673-2291-1

Electronic_ISBN

978-1-4673-2292-8

Type

conf

DOI

10.1109/BioCAS.2012.6418408

Filename

6418408