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Wireless Vestibular Evoked Myogenic Potentials System

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5 Author(s)
Torfs, T. ; Integrated Syst. Dept., IMEC, Leuven ; Yazicioglu, R.F. ; Vanspauwen, R. ; Wuyts, F.
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Vestibular Evoked Myogenic Potentials (VEMPs) is a technique that can provide useful information in diagnosing certain balance disorders. Existing commercial VEMP testing systems are cabled systems, which impede certain experiments, particularly those that involve motion and rotation of the patient. This paper presents an autonomous wireless system to record VEMPs. The system uses IMEC's 60 muW 60 nV/radicHz biopotential readout front-end to extract the electromyogram (EMG). It uses IMEC's low-power processing and wireless platform to perform all signal processing locally, significantly reducing the amount of wireless data transmission. The system also implements a low-power audio synthesizer and an amplifier to create the necessary audio or vibration stimuli that are applied to the patient. The system can perform 1000 measurements on 2 AA batteries.

Published in:

Sensors Journal, IEEE  (Volume:8 ,  Issue: 12 )