Journal
TELEMEDICINE AND E-HEALTH
Volume 17, Issue 5, Pages 348-357Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/tmj.2010.0182
Keywords
generalized body sensor network (BSN); biofeedback training; wearable devices; heart rate variability
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Funding
- Chinese Academy of Sciences
- National Natural Science Foundation of China [60932001, 61072031]
- National Basic Research (973) Program of China [2010CB732606]
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Wearable medical devices have enabled unobtrusive monitoring of vital signs and emerging biofeedback services in a pervasive manner. This article describes a wearable respiratory biofeedback system based on a generalized body sensor network (BSN) platform. The compact BSN platform was tailored for the strong requirements of overall system optimizations. A waist-worn biofeedback device was designed using the BSN. Extensive bench tests have shown that the generalized BSN worked as intended. In-situ experiments with 22 subjects indicated that the biofeedback device was discreet, easy to wear, and capable of offering wearable respiratory trainings. Pilot studies on wearable training patterns and resultant heart rate variability suggested that paced respirations at abdominal level and with identical inhaling/exhaling ratio were more appropriate for decreasing sympathetic arousal and increasing parasympathetic activities.
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