| ORIGINAL ARTICLE |
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| Year : 2021 | Volume
: 53
| Issue : 2 | Page : 91-99 |
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Yogic postures and brain wave activation: An experimental approach
Anup De1, Samiran Mondal1, Soumendra Nath Ghosh2
1 Department of Physical Education and Sport Science, Visva-Bharati University, Santiniketan, West Bengal, India
2 Postgraduate Government Institute for Physical Education, Banipur, West Bengal, India
Correspondence Address:
Anup De
Former Senior Research Fellow, Department of Physical Education and Sport Science, Visva-Bharati University, Santiniketan, West Bengal
India
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ym.ym_34_21
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Background: Yoga is a practice to control and develop the mental function. Scientists are trying to establish the effect of yoga on the various systems and organs in the human body by using different scientific methods and research techniques. The brain is one of the main targeted organs in yoga research.
Objective: The objective of this study is to identify the electrical responses of the brain after immediate yogasana practices.
Materials and Methods: Ten male (n=10) yoga practitioners having more than 8 years of experience in yogasana practice were selected as participants. Before and after immediate practices of six specific yoga postures were assessed on three different consecutive days for 15, 22.5, and 30 min. Delta, theta, alpha, sensory-motor rhythm (SMR), beta, and gamma amplitudes were assessed under the circumstance of electrical activity of the brain and measured using NeXus-10 device.
Results: The outcome of the brain wave components showed that there was a decrease in delta (9.12%, 12.3%, and 19.52%), theta (12.32%, 15.9%, and 16.09%), alpha (11.99%, 17.49%, and 13.21%), SMR (6.89%, 17.27%, and 13.5%), beta (0.29%, 13.95%, and 14.4%) amplitude immediately after 15, 22.5, and 30 min practice of yoga postures, respectively. In the case of gamma amplitude, initially, it increased 8.58% in 15 min practice, there after decreasing trend was observed in 22.5 min (11.47%) and 30 min practice (15.9%).
Conclusions: Immediate yogasana practices may enhance the functions of brain wave activity which increases motor activity, autonomic flexibility, and associates with a better cognitive state.
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