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Novel Bioelectrical Measurement using a Digital Biopotential Monode
Nolan, Mark; Burke, Edward; Coyle, Eugene
In conventional biopotential recording, two or more electrodes are placed on the body. A unipolar lead records the time-varying electrical potential at a single point (relative to a reference potential) via one signal electrode. A bipolar lead records the time-varying potential difference between two points via two signal electrodes. In each case, the signal electrodes are connected to high impedance amplifier inputs, while an additional electrode provides a low-impedance path between the amplifier and human subject. Bipolar leads are usually preferred since interference appearing at both signal electrodes can be eliminated using an instrumentation amplifier with high CMRR. A drawback of bipolar lead recording is that wires must connect all electrodes to the amplifier. This paper presents preliminary work on a novel design for a digital biopotential measurement device which we call the biopotential monode.
Keyword(s): monode; biopotential recording; bioelectrical measurement; Bioelectrical and Neuroengineering; Biomedical; Biomedical Devices and Instrumentation
Publication Date:
2011
Type: Conference item
Peer-Reviewed: Unknown
Contributor(s): Ted Burke; ABBEST scholarship, Dublin Institute of Technology
Institution: Dublin Institute of Technology
Citation(s): Conference Papers
Publisher(s): Dublin Institute of Technology
File Format(s): application/pdf
First Indexed: 2011-01-15 05:35:02 Last Updated: 2017-12-14 07:13:21