APPARATUS AND METHOD FOR ELECTRODERMAL ACTIVITY MEASUREMENT WITH CURRENT COMPENSATION

An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is...

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Hauptverfasser:	RESNATI, Daniele, LAI, Matteo, TOGNETTI, Simone, CENCI, Ivan, GARBARINO, Maurizio
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
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creator	RESNATI, Daniele LAI, Matteo TOGNETTI, Simone CENCI, Ivan GARBARINO, Maurizio
description	An apparatus for measuring electrodermal activity can include a first electrode in contact with a first portion and a second electrode in contact with a second portion of a stratum corneum, and in electronic communication with the second electrode through the stratum corneum. A processing module is electrically coupled to the first electrode and the second electrode and is operable to (a) bias the first electrode at a first voltage V+ and the second electrode at a second voltage V- (b) measure a current flowing between the first electrode and the second electrode, the current corresponding to the conductance of the stratum corneum, (c) subtract a compensation current from the measured current (d) measure a resulting current producing an amplified output voltage (e) measure a conductance of the stratum corneum, and (f) adjust at least one of the first voltage, the second voltage and the compensation current to desaturate the output voltage.
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subjects	DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY
title	APPARATUS AND METHOD FOR ELECTRODERMAL ACTIVITY MEASUREMENT WITH CURRENT COMPENSATION
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