Instantaneous measurement of electrical parameters in a palm during electrodermal activity

Yoshitake Yamamoto; Hiromi Isshiki; Takao Nakamura

doi:10.1109/19.492772

Instantaneous measurement of electrical parameters in a palm during electrodermal activity

Yoshitake Yamamoto, Hiromi Isshiki, Takao Nakamura

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The determination of impedance can be performed by means of a frequency-domain analysis or a time-domain analysis. The latter has the advantage of being able to measure instantaneously all the frequency characteristics of impedance. The method is hence well suited to obtain the biological impedance which changes with time. An instantaneous method of measuring skin impedance, by using time-domain analysis has thus been developed. The fast Fourier transform (FFT) of the step response for current to the skin can determine the palm impedance. This method can carry out the determination of the parameters of the palm skin impedance during a galvanic skin reflex (GSR), which is impossible by means of frequency-domain analysis.

Original language	English
Pages (from-to)	483-487
Number of pages	5
Journal	IEEE Transactions on Instrumentation and Measurement
Volume	45
Issue number	2
DOIs	https://doi.org/10.1109/19.492772
Publication status	Published - 1996

ASJC Scopus subject areas

Instrumentation
Electrical and Electronic Engineering

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10.1109/19.492772

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AU - Isshiki, Hiromi

AU - Nakamura, Takao

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AB - The determination of impedance can be performed by means of a frequency-domain analysis or a time-domain analysis. The latter has the advantage of being able to measure instantaneously all the frequency characteristics of impedance. The method is hence well suited to obtain the biological impedance which changes with time. An instantaneous method of measuring skin impedance, by using time-domain analysis has thus been developed. The fast Fourier transform (FFT) of the step response for current to the skin can determine the palm impedance. This method can carry out the determination of the parameters of the palm skin impedance during a galvanic skin reflex (GSR), which is impossible by means of frequency-domain analysis.

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Instantaneous measurement of electrical parameters in a palm during electrodermal activity

Abstract

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