Key result
Sudarshan Kriya Yoga significantly decreased the alpha band power ratio (p=0.002) and average reaction time (p=0.003), indicating improved stress tolerance and cognitive performance.
Why the study?
Does Sudarshan Kriya Yoga reduce mental stress and improve cognitive performance in healthy human subjects?
Does Sudarshan Kriya Yoga reduce mental stress and improve cognitive performance in healthy human subjects?
p-value: p=0.002
Sudarshan Kriya Yoga significantly reduces mental stress and improves cognitive performance as evidenced by EEG, ECG, and Determination Test metrics.
Hypothesis-generating for Sudarshan Kriya Yoga in stress reduction; larger randomized trials needed before clinical adoption.
AIM: The present study focuses on analyzing the effects of Sudarshan Kriya yoga (SKY) on EEG as well as ECG signals for stress regulation. To envision the regulation of stress Determination Test (DT) has been used. We have chosen a control group for contriving a cogent comparison that could be corroborated using statistical tests. SUBJECTS AND METHODS: A total of 20 subjects were taken in the study, of which 10 were allotted to a control group. Electroencephalograph was taken during a DT task, before and after SKY the sky session with 30 days of SKY session given to the experimental group. No SKY was given to the control group. RESULTS: We quantified mental stress using EEG, ECG and DT synergistically and used SKY to regulate it. We observed that alpha band power decreases in the frontal lobe of the brain with increasing mental stress while frontal brain asymmetry decreases with increasing stress tolerance. CONCLUSIONS: These EEG, ECG and DT shows a significant decrement in mental stress and improvement in cognitive performance after SKY, indicating SKY as a good alternative of medication for stress management.
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Chandra et al. (2017) studied Mental stress (n=20). Sudarshan Kriya Yoga vs. No Sudarshan Kriya Yoga was evaluated on Mental stress and cognitive performance measured by EEG alpha power ratio and Determination Test scores (p=0.002). Sudarshan Kriya Yoga significantly decreased the alpha band power ratio (p=0.002) and average reaction time (p=0.003), indicating improved stress tolerance and cognitive performance.
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