Efficacy of a Short‑Term Yoga‑Based Lifestyle Intervention in Improving Cognition in Overweight/Obese Subjects
Background and Aim: The present report was designed to evaluate the efficacy of a short‑term yoga‑based lifestyle intervention in modifying cognitive functions and brain activity during cognitive tasks in overweight/obese patients. Methods: A total of (n = 12) Overweight/Obese patients and (n = 9) healthy controls who attended a short‑term yoga‑based lifestyle intervention program were recruited for the study. Anthropometric parameters include height, weight, body mass index (BMI), and systolic and diastolic blood pressure; different cognitive domains include Controlled Oral Word Association Test, Symbol Digit Modalities Test, Verbal n‑back Test, and Forward/backward digit span; self‑report measures include the Freiburg Mindfulness Inventory and Centre for epidemiologic studies for depression scale and electroencephalography (EEG) activity during different cognitive tasks were carried out twice, i.e. day 1 (baseline) and day 14 (end of intervention). Results: Significant (P < 0.05) improvement was observed for weight, BMI, mindfulness scores, n‑back test, and total attention span following lifestyle intervention for overweight/obese patients. Furthermore, EEG activity showed significant (P < 0.05) increase in alpha, beta, and theta absolute power at the end of intervention. Parameters for control group remained comparable at day 14 versus day 1. Conclusion: Findings suggest that a short‑term yoga‑based lifestyle intervention may significantly improve cognitive functions and brain activity in overweight/obese patients.
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