Breathing rates and heart rate variability scores were recorded and compared between groups. In our N=28 between-subject design, participants were trained in either SPB or HRV-b and then completed a 10-minute session following their training protocol. Methods: To address this important gap in knowledge, we conducted the first comparative study of these two leading protocols in the context of end-user applications. Although the benefits of these two protocols have been well established in clinical contexts, designers of guided breathing technology have little information about whether one is better than the other for non-clinical use. ![]() HRV-b, on the other hand, provides adaptive, real-time guidance derived from heart rate variability, a physiological signal that can be sensed through a wearable device. Paced breathing is a simpler protocol where a user is asked to match their breathing pattern with a cue paced at a predetermined rate and is simple enough to be completed as a secondary task during other activities. Although these protocols have separately been demonstrated to be effective, they differ substantially in their complexity and design. Breathing guides are tools that help people match their breathing patterns to an external (most often visual) cue to practice healthy breathing exercises.However, there are two leading protocols for how breathing cues are offered by breathing guides used in non-clinical settings: simple paced breathing (SPB) and Heart Rate Variability Biofeedback (HRV-b). Because of the ergonomics and low-grade-but-frequent stress associated with computer work, many people adopt a short, shallow breathing pattern that is known to have a negative effect on other parts of our physiology. ![]() One process that often suffers from our external interactions with modern computing technology is our breathing. Introduction: A goal of inbodied interaction is to explore how tools can be designed to provide external interactions that support our internal processes. ![]() 2WellthLab, Department of Electronics and Computer Science, University of Southampton, Southampton, United Kingdom.1HCI Lab and Institute of Biomedical Engineering, University of New Brunswick, Fredericton, NB, Canada.Aaron Tabor 1 *, Scott Bateman 1, Erik J.
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