NDLI: Heart Rate Variability and Skin Conductance Biofeedback: A Triple-Blind Randomized Controlled Study

Content Provider	IEEE Xplore Digital Library
Author	Raaijmakers, S.F. Steel, F.W. de Goede, M. van Wouwe, N.C. van Erp, J.B.F. Brouwer, A.-M.
Copyright Year	2013
Description	Author affiliation: TNO, Soesterberg, Netherlands (Raaijmakers, S.F.; Steel, F.W.; de Goede, M.; van Wouwe, N.C.; van Erp, J.B.F.; Brouwer, A.-M.)
Abstract	High heart rate variability (HRV) and low skin conductance level (SCL) have been associated with low levels of stress. Biofeedback - providing an individual with online information about his or her own physiological state - may help to change these signals in the desired direction and therewith improve an individual's physical or mental condition. While there is an abundance of biofeedback tools and therapies commercially available, there is a lack of well-controlled validation studies. We here compare changes in several physiological, affective and cognitive variables after administering either a fake or a genuine biofeedback protocol that was aimed at affecting HRV and SCL. Which participants belonged to the genuine biofeedback group and which participants belonged to the control group remained unknown to everyone involved in the study until the very last stage of analysis. We did not find any differences in treatment effect between the two groups of participants. We also did not find correlations between HRV and the physiological, affective and cognitive variables that we measured, but there was some indication of SCL being related to error percentage in a cognitive task. While our study can only show that the studied protocol is not effective on the selected effect measures for the studied group of participants, it adds to the doubt that biofeedback is effective above and beyond non-specific treatment effects.
Starting Page	289
Ending Page	293
File Size	159499
Page Count	5
File Format	PDF
ISBN	9780769550480
ISSN	21568111
DOI	10.1109/ACII.2013.54
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-02
Publisher Place	Switzerland
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cognitive performance Atmospheric measurements Well-being Games Particle measurements Alpha asymmetry Skin conductance Physiology Biofeedback Biological control systems Heart rate variability Stress
Content Type	Text
Resource Type	Article

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