International Journal of Yoga
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ORIGINAL ARTICLE Table of Contents   
Year : 2022  |  Volume : 15  |  Issue : 1  |  Page : 45-51
Effective stress management through meditation: An electroencephalograph-based study

1 Department of Applied Mechanics, Indian Institute of Technology, Chennai, Tamil Nadu, India
2 Department of Biomedical Engineering, Institute of Nuclear Medicine and Allied Sciences, DRDO, New Delhi, India

Correspondence Address:
Greeshma Sharma
Institute of Nuclear Medicine and Allied Sciences, DRDO, New Delhi
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijoy.ijoy_171_21

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Introduction: Stress among college students is a common health problem that is directly correlated with poor cognitive health. For instance, cognitive mechanisms required for sustenance can be affected due to stress caused by daily mundane events, not necessarily by chronic events. Thus, it becomes essential to manage stress effectively especially for college students. Meditation is one of the useful techniques that facilitates cognitive flexibility and has consequences at the molecular and endocrinal level to treat stress. Objectives: The present study attempts to understand the effect of meditation on the brain waves when participants face stressful events. Methods: A randomized controlled pre-post experimental design was used. Total 18 subjects were randomly assigned to control group and experimental group. Subsequently, Electroencephalograph (EEG) data were recorded during the determination test (DT) before and after the meditation. The Control group underwent relaxation music while the experimental group practiced Sudarshan Kriya Yoga (SKY) (a type of meditation). Non-linear EEG signal processing algorithm was applied to capture dynamics and complexity in brain waves. Results: Results indicated that the efficacy of meditation was reflected with the improved information processing in the brain. Improved performance and reduced errors were reported in DT Scores in the experimental group. Increased complexity of beta band was observed for non-linear features, signifying efficient utilization of cognitive resources while performing the task. Conclusion: Findings implicated the usefulness of the meditation process for effective stress management.

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