Instantaneous measurement of electrical parameters in a palm during electrodermal activity

Yoshitake Yamamoto, Hiromi Isshiki, Takao Nakamura

Research output: Contribution to journalArticle

13 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 languageEnglish
Pages (from-to)483-487
Number of pages5
JournalIEEE Transactions on Instrumentation and Measurement
Volume45
Issue number2
DOIs
Publication statusPublished - 1996

Fingerprint

Skin
impedance
Frequency domain analysis
Time domain analysis
frequency domain analysis
time domain analysis
Step response
Fast Fourier transforms
reflexes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

Cite this

Instantaneous measurement of electrical parameters in a palm during electrodermal activity. / Yamamoto, Yoshitake; Isshiki, Hiromi; Nakamura, Takao.

In: IEEE Transactions on Instrumentation and Measurement, Vol. 45, No. 2, 1996, p. 483-487.

Research output: Contribution to journalArticle

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