|
KMID : 1138720070330010078
|
|
Korean Public Health Research
2007 Volume.33 No. 1 p.78 ~ p.85
|
|
|
The effects of electromagnetic fields emitting from Electric Mat on EEG and ECG
|
|
Lee Kyu-Soo
Kim Yoon-Shin
Song Jae-Chul
Choi Sung-Ho
Song Joo-Hyun
An Dong-Hyun
Hong Seung-Cheol
|
|
|
Abstract
|
|
|
Background : Electromagnetic fields of all frequencies represent one of the most common and fastest growing environmental influences, so that anxiety and apprehension are spreading. All populations are now exposed to varying degrees of EMF, and the levels will be increased by technology advances.
Objectives : This study aimed to identify a meaning change in EEG(Electroencephalography), ECG(Electrocardiography) during the sleep period.
Methods : Twenty volunteers was participated in our study and divided into two groups. One was exposed above 2uT magnetic field by using electric blankets, another was exposed below 0.2uT magnetic field. The 16-week experiment consisted of 4 weeks of pre-exposure, 12 weeks of night-time exposure to MF generated from a electric sheet. On scheduled sampling days each volunteers slept at own’s room and we analysed pre and post EEG and ECG.
Results : Exposed group above 2uT magnetic field showed significant increase in m-RRI and obscure changes at brain activity among some volunteers.
Conclusions :The present study indicates that any profound effect of the 60Hz magnetic field originating from an Electric sheet influences on cardiovascular index such as ECG during the sleep period.
|
|
|
KEYWORD
|
|
|
Electromagnetic Fields, Electroencephalography, Electrocardiography
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
|