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Updated: Jul 18, 2026
Combining Behavior and EEG to Study the Effects of Mindfulness Meditation on Episodic Memory
Published on: May 11, 2020
Cross-sectional and longitudinal study of effects of transcendental meditation practice on interhemispheric frontal
Frederick Travis1, Alarik Arenander
1Brain Consciousness and Cognition Lab, Maharishi University of Management, Fairfield, Iowa 52557, USA. ftravis@mum.edu
Abstract:
Two studies investigated frontal alpha lateral asymmetry and frontal interhemispheric coherence during eyes-closed rest, Transcendental Meditation (TM) practice, and computerized reaction-time tasks. In the first study, frontal coherence and lateralized asymmetry were higher in 13 TM subjects than in 12 controls. In the second study (N = 14), a one-year longitudinal study, lateral asymmetry did not change in any condition. In contrast, frontal coherence increased linearly during computer tasks and eyes-closed rest, and as a step-function during TM practice--rising to a high level after 2-months TM practice. Coherence was more sensitive than lateral asymmetry to effects of TM practice on brain functioning.
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