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1- Medical Engineering, Alberta, Canada.
2- Neuroscience Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
3- Baqiyatallah University of Medical Sciences, Tehran, Iran.
4- Neuroscience research center, Baqiyatallah University of Medical Sciences, Tehran, Iran.
Introduction:  Sajdeh is a prostration position that being part of Muslim daily prayers, has several effects on the brain and heart activity. The aim of this study was to investigate the prefrontal brain activity after ten seconds of Sajdeh in the direction of Qiblah while putting the forehead on the ground.
Methods: Three women and two men participated in this pilot study. Linear (absolute and relative power of Theta (4-8Hz), Alpha1 (8-10 Hz), Alpha2 (10-12 Hz), Beta1 (12-16 Hz), Beta2 (16-20 Hz), Beta3 (20-30 Hz), Gamma1 (30-40 Hz), Gamma2 (40-50 Hz) and non-linear features (approximate entropy, Katz fractal dimension, petrosian fractal dimension, spectral entropy and Sample entropy) from Fps channel were calculated.
Results: relative beta to Gamma band, approximate and Sample entropy, petrosian fractal dimension and mean of amplitude decreased in open eye state in women. While theta to Gamma bands in the closed eye state, decreased after the Sajdeh in women.  The absolute Gamma bands in closed eye state and relative beta band in open eye state increase after Sajdeh in men.
Conclusion: the pilot study showed that 10 seconds of Sajdeh has effects on brain activity and sometimes showed opposite effect on genders. 
Type of Study: Original | Subject: Computational Neuroscience
Received: 2017/08/31 | Accepted: 2018/05/28 | Published: 2018/06/3

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