Why the study?
Does voluntary control of breathing alter autonomic function and heart rate variability in human subjects?
Population
10 subjects
Comparison
Voluntary control of breathing for 5 minutes vs 5 minutes of spontaneous breathing
Design
Other
Follow-up
5 minutes per condition
Authors
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May attenuate vagal HRV during voluntary breathing; hypothesis-generating for autonomic studies, should not change practice.
Does voluntary control of breathing alter autonomic function and heart rate variability in human subjects?
Voluntary control of breathing decreases the influence of the vagal component in cardiovascular regulation, independent of changes in respiratory pattern.
Patwardhan et al. (1995) studied this question.
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