Physical and biological study of several materials in prostration

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Mokari Manshadi Ehsan; Pirzad Jahromi Gila; Meftahi Gholam Hossein; Mafi Majid; Hatef Boshra

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Journal Paper

Paper Information

Journal: Journal of Research on Religion and Health Year:2023 | Volume:9 | Issue:3 Page(s): 7-19

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Title

Physical and biological study of several materials in prostration

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Keywords

لکتروانسفالوگرافی؛ خاک؛ رسانایی الکتریکی؛ سجده؛ مقوا؛ موکتQ4

Abstract

Introduction & aim: Praying is the essential duty of Muslims, and prostration in praying has many effects on the nervous system. In Islamic teachings, prostration has been approved a lot. This study aimed to investigate the magnetic and electrical properties of three materials: soil, paperboard, and cloth, and to study the brain activity further when prostrating on these three different materials. Methods: In the first part, the physical examination of different materials was done. The vibrating sample magnetometer was used to check the magnetic permeability, and a two-point electrical conductivity measuring device was used to check the electrical conductivity of three soil, paperboard, and cloth samples. The second part of the brain waves of ten healthy young men in the sitting position, prostration on the soil (seal), paperboard, and carpet with the same conditions was recorded. The relative strengths of the frequency bands were investigated. The significance level was considered after calculating the false discovery rate to delete the channels and bands effect interface. Results: The first part results showed that paperboard had more magnetic permeability than cloth and cloth compared to soil and had less electrical conductivity as well. In the second part, the results showed that paperboard and soil caused a significant increase in the relative power of the alpha 1 band in the frontal and central areas compared to the sitting position, while there was no significant difference in prostration on the carpet. Prostration on the carpet significantly increased the relative power of the gamma band 1 compared to sitting, while prostration on the soil, especially paperboard, showed this difference to a lesser extent. Conclusion: Prostration on paperboard exaggerated, and prostration on carpet diminished the effects of prostration on the soil. Moreover, the brain changes in prostration on the soil were between the changes caused by the prostration on carpet and paperboard.

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