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Sensors 2012, 12(5), 6075-6101; doi:10.3390/s120506075

A Stress Sensor Based on Galvanic Skin Response (GSR) Controlled by ZigBee

DeustoTech-Life Unit, Deusto Institute of Technology, University of Deusto, Avda. de las Universidades, 24, Bilbao 48007, Spain
Author to whom correspondence should be addressed.
Received: 29 January 2012 / Revised: 18 April 2012 / Accepted: 27 April 2012 / Published: 10 May 2012
(This article belongs to the Section Physical Sensors)


Sometimes, one needs to control different emotional situations which can lead the person suffering them to dangerous situations, in both the medium and short term. There are studies which indicate that stress increases the risk of cardiac problems. In this study we have designed and built a stress sensor based on Galvanic Skin Response (GSR), and controlled by ZigBee. In order to check the device’s performance, we have used 16 adults (eight women and eight men) who completed different tests requiring a certain degree of effort, such as mathematical operations or breathing deeply. On completion, we appreciated that GSR is able to detect the different states of each user with a success rate of 76.56%. In the future, we plan to create an algorithm which is able to differentiate between each state.
Keywords: GSR; skin resistance; stress; ZigBee GSR; skin resistance; stress; ZigBee
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Villarejo, M.V.; Zapirain, B.G.; Zorrilla, A.M. A Stress Sensor Based on Galvanic Skin Response (GSR) Controlled by ZigBee. Sensors 2012, 12, 6075-6101.

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