Alternative Therapy: Yoga, The best in Improved Cognitive Function?

Kyle J. Norton (Scholar, Master of Nutrients, All right reserved)
Health article writer and researcher; Over 10.000 articles and research papers have been written and published on line, including world wide health, ezine articles, article base, healthblogs, selfgrowth, best before it's news, the karate GB daily, etc.,.
Named TOP 50 MEDICAL ESSAYS FOR ARTISTS & AUTHORS TO READ by Disilgold.com Named 50 of the best health Tweeters Canada - Huffington Post
Nominated for shorty award over last 4 years
Some articles have been used as references in medical research, such as international journal Pharma and Bio science, ISSN 0975-6299.

Yoga therapy ameliorated cognitive decline through improved psychological symptom of stress, a Duke University Medical Center Durham study suggested.

Yoga, the accident technique practice for harmonized external and internal body well being, through breath control, meditation, bodily movement and gesture..... has been well known for people in Western world and some parts in Asia due to health benefits reported by various respectable institutes' research and supported by health advocates.

Cognition is the reaction and learning process of the brain through information received, involving perception, sensation, notion, or intuition.

In the study of the neurocognitivecorrelates of emotion interference on cognition in Yoga practitioners and a matched control group (CG) underwent fMRI while performing an event-related effective Stroop task, Image of participated, yoga group showed a improved cognitive function through exhibited less reactivity in right dorsolateral prefrontal cortex (dlPFC) to negative as compared to neutral images in compared to opposite pattern in control.

Additionally, Yoga practitioners had greater activation in ventrolateral prefrontal cortex (vlPFC)  in compared to opposite pattern of control.

In the review of literature of acute studies and randomized controlled trials (RCTs) of yoga with reported cognitive outcomes, 7 acute exposure studies indicated that yoga has a strong effect in cognition including memory (g = 0.78, p < .001), followed by attention and processing speed measures (g = 0.49, p < .001) and executive functions (g = 0.39, p < .003).
But in 15 randomized controlled trials (RCTs), yoga attendees only expressed a moderate effect in cognition.

Unfortunately, in a randomized, controlled trial comparing yoga, exercise, and wait-list control groups of 135 generally healthy men and women aged 65-85 years, yoga group showed a significant improvement in physical measures (eg, timed 1-legged standing, forward flexibility) as well as a number of quality-of-life measures related to sense of well-being and energy and fatigue compared to controls but no relative improvements of cognitive function among healthy seniors in the yoga or exercise group compared to the wait-list control group.

Taking altogether, the conflict results of the studies probably due to the small sample size, study designed, age group, stage of mental impairment,....,......It is up to the readers to verify themselves after attending few weeks of yoga lessons.

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Souces
(1) Neurocognitive correlates of the effects of yoga meditation practice on emotion and cognition: a pilot study by Froeliger BE1, Garland EL, Modlin LA, McClernon FJ.(PubMed)
(2) Yoga and Cognition: A Meta-Analysis of Chronic and Acute Effects by Gothe NP1, McAuley E.(PubMed)
(3) Randomized, controlled, six-month trial of yoga in healthy seniors: effects on cognition and quality of life by Oken BS1, Zajdel D, Kishiyama S, Flegal K, Dehen C, Haas M, Kraemer DF, Lawrence J, Leyva J.(PubMed)