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Remote detection of human electrophysiological signals using electric potential sensors

journal contribution
posted on 2023-06-07, 22:46 authored by Robert Prance, S T Beardsmore-Rust, P Watson, C J Harland, H Prance
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History

Publication status

  • Published

Journal

Applied Physics Letters

ISSN

0003-6951

Publisher URL

External DOI

Issue

3

Volume

93

Page range

0339061

Department affiliated with

  • Engineering and Design Publications

Notes

We describe the measurement of human electrophysiological and movement signals remotely from a seated subject. An ultrahigh impedance electric potential sensor, designed specifically to reject external noise, is used to measure the electric field at distances of up to 40 cm from the surface of the body. The sensor is able to provide continuous data acquisition, at full sensitivity, without saturation by external noise sources. Respiration and heart signals are seen simultaneously and are separated using digital filtering techniques. All of the results reported were obtained in an open unshielded environment in close proximity to line operated computer equipment.

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Peer reviewed?

  • Yes

Legacy Posted Date

2012-02-06

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