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An alternative to Unibase/glycol as an effective nonhydrating electrolyte medium for the measurement of electrodermal activity

Published online by Cambridge University Press:  04 June 2002

SHARON L. DORMIRE  and
JANET S. CARPENTER
SHARON L. DORMIRE
Affiliation:
University of Michigan School of Nursing, Ann Arbor, Michigan, USA
JANET S. CARPENTER
Affiliation:
Vanderbilt University School of Nursing, Nashville, Tennessee, USA
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Abstract

Although Unibase cream has been an effective medium for electrodermal recordings, its production has recently been discontinued. This study compared alternative media to Unibase for effectiveness. Three base creams similar to Unibase were initially compared for in vitro viscosity and effectiveness. Based upon this analysis one cream was eliminated. A volunteer sample of 6 postmenopausal women with hot flashes and 6 young women without flashes was recruited. Media were evaluated for viscosity and effectiveness of skin conductance. Results indicated that one electrolyte media produced readings within the normal range, identified true positive hot flashes, and produced few false negative readings whereas the second produced largely unreadable results with many false negative hot flashes. An appropriate substitute for Unibase as an effective electrolyte medium for measurement of electrodermal activity was identified.

Keywords

UnibaseVelvacholHot flashesMenopauseSkin conductanceElectrodermal electrolyte media
Type
Research Article
Information
Psychophysiology , Volume 39 , Issue 4 , July 2002 , pp. 423 - 426
Copyright
2002 Society for Psychophysiological Research

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