EEG changes during acute alternate nostril breathing exercise in healthy adult male
Journal Title: INTERNATIONAL JOURNAL OF CURRENT RESEARCH IN MEDICAL SCIENCES - Year 2018, Vol 4, Issue 4
Abstract
Background and objectives: There are very few studies investigating the acute effects of alternate nostril breathing (ANB) on EEG. We aimed to investigate the changes in EEG before, during and immediately after alternate nostril breathing. Methods: This study was conducted on consenting 10 healthy non yoga practitioner male age 28.33±1.41 years in B.P. Koirala Institute of Health Sciences, Dharan. They were orientated about alternate nostril breathing. EEG was recorded next day before, during and after the alternate nostril breathing exercise. Artifact free 5 EEG epochs of 5- second of each event were analyzed by fast Fourier transformation to obtain frequency components. Friedman test and Wilcoxon Sign Rank test were applied to compare the changes in EEG waves (delta, theta, alpha and beta) among the events. Data are expressed as median with inter-quartile range. Results: Compared to pre-ANB, there was a significant decrease in the theta power during ANB exercise [24.5(16.86-28.34) vs. 15.32(11.36-18.02) µV2 , p =0.018] in left parietal area. Similarly, beta power was decreased after ANB compared with during ANB [7.16(4.44-10.68) vs. 10.72(7.64-13.52) µV2 , p=0.018] in right frontal area. There were no any significant changes in alpha and delta waves among the events. Conclusion: Alternate nostril breathing exercise effect the brain waves activity in terms of stimulation theta and beta waves which have been suggestive of alertness of mind during exercise.
Authors and Affiliations
Sanjay Maharjan1 , Rita Khadka2 , Bishnu Hari Poudel3 , Nisha Ghimire4 , Prem Bhattarai5 , Nirmala Limbu3
Keywords
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- EP ID EP552781
- DOI 10.22192/ijcrms.2018.04.04.009
- Views 137
- Downloads 0
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