Article

Applied Psychophysiology and Biofeedback

, Volume 37, Issue 1, pp 11-18

First online:

EEG Spectral Analysis on Muslim Prayers

  • Hazem DoufeshAffiliated withMedical Informatics and Biological Micro-electro-mechanical Systems (MIMEMS) Specialized Laboratory, Department of Biomedical Engineering, Faculty of Engineering, University of Malaya
  • , Tarig FaisalAffiliated withMedical Informatics and Biological Micro-electro-mechanical Systems (MIMEMS) Specialized Laboratory, Department of Biomedical Engineering, Faculty of Engineering, University of Malaya
  • , Kheng-Seang LimAffiliated withDivision of Neurology, Faculty of Medicine, University of Malaya
  • , Fatimah IbrahimAffiliated withMedical Informatics and Biological Micro-electro-mechanical Systems (MIMEMS) Specialized Laboratory, Department of Biomedical Engineering, Faculty of Engineering, University of Malaya Email author 

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Abstract

This study investigated the proposition of relaxation offered by performing the Muslim prayers by measuring the alpha brain activity in the frontal (F3–F4), central (C3–C4), parietal (P3–P4), and occipital (O1–O2) electrode placements using the International 10–20 System. Nine Muslim subjects were asked to perform the four required cycles of movements of Dhuha prayer, and the EEG were subsequently recorded with open eyes under three conditions, namely, resting, performing four cycles of prayer while reciting the specific verses and supplications, and performing four cycles of acted salat condition (prayer movements without any recitations). Analysis of variance (ANOVA) tests revealed that there were no significant difference in the mean alpha relative power (RPα) between the alpha amplitude in the Dhuha prayer and the acted conditions in all eight electrode positions. However, the mean RPα showed higher alpha amplitude during the prostration position of the Dhuha prayer and acted condition at the parietal and occipital regions in comparison to the resting condition. Findings were similar to other studies documenting increased alpha amplitude in parietal and occipital regions during meditation and mental concentration. The incidence of increased alpha amplitude suggested parasympathetic activation, thus indicating a state of relaxation. Subsequent studies are needed to delineate the role of mental concentration, and eye focus, on alpha wave amplitude while performing worshipping acts.

Keywords

Salat Muslims prayer EEG Alpha wave Prostration