この研究は、健康な男性被験者（n=34）の閉眼覚醒時の自発脳電図（EEG）に対するデジタル移動無線電話(GSM)の影響を、単ブラインド化、クロスオーバーデザインの実験で調べた。頭皮上のC3およびC4の測定用電極から、電話機からの電磁界放射線オンおよびオフ時のEEGを測定した。オンのセッションで、GSMの217Hzパルス変調900MHz（0.05mW / cm2、パルス幅580μs）の電磁界に約3.5分間ばく露している間、スペクトルパワー密度の観点では、覚醒時EEGにおける何らかの差を検出することができなかった、と報告している。
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To study the influence of digital mobile phone on the awake EEG of healthy subjects under closed-eyes condition.
|ばく露時間||continuous for nearly 3.5 min|
|Pulse width||580 µs|
|Repetition frequency||217 Hz|
|Distance between exposed object and exposure source||40 cm|
|チャンバの詳細||The experimental sessions took place in a sound-proof electrophysiological laboratory.|
|ばく露装置の詳細||The mobile phone was positioned at a distance of 40 cm from the vertex of the subject, comparable to normal use, and operated from an adjacent room.|
|Additional information||For each subject the EEG was registered in two 10 min duration periods separated by a 30 min break. Each EEG registration was subdivided into three successive segments, each consisting of 80 sweeps at 2.55 s duration. The first and the third segments served as controls during which the EMF was switched off. EMF was active during the second segment during one registration session and inactive during the other (randomized, single-blind).|
During exposure of nearly 3.5 min to the 900 MHz electromagnetic field, the authors could not detect any difference in the awake EEGs in terms of spectral power density measures.