Davanger S, Ellingsen O, Holen A, Hugdahl K (1. august 2010). «Meditation-specific prefrontal cortical ativation during Acem meditation.». Perceptual and Motor Skills. 111 (1): 291–306 – via Sage Journals. «Bilateral areas of the inferior frontal gyrus were significantly more activated during repetition of a meditation sound than during concentrative meditation-like cognitive tasks.»
Solberg EE, Ekeberg O, Holen A, Ingjer F, (1. september 2004). «Hemodynamic changes during long meditation». Applied Psychophysiology and Biofeedback. 29 (1): 213–221 – via Springer Link. «In conclusion, meditation reduced the level of HR and within participant variability of HR more than rest.»
Nesvold A, Fagerland M, Davanger S, Ellingen O. (1. august 2012). «Increased heart rate variability during nondirective meditation». European Journal of Preventive Cardiology. 19 (4): 773–780 – via Oxford Academic. «There is an increased parasympathetic and reduced sympathetic nerve activity and increased overall HRV, while practising the technique.»
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Wærsted M, Hersoug AG, Lau B (18. februar 2018). «Nondirective meditation used in stress management». Nordic Psychology. 70 (4): 290–303 – via Taylor & Francis. «The findings revealed significant improvements in the intervention group on all outcome variables – comprising mental distress (GHQ-12), worries and nervousness (EPQ-N), sleep problems (BIS) and musculoskeletal pain.»