研究のタイプ: 医学/生物学の研究 (experimental study)

[ヒトの脳電図のスペクトル成分に対するGSM携帯電話の短期的影響] med./bio.

Short-term effects of GSM mobiles phones on spectral components of the human electroencephalogram.

掲載誌: IEEE 28th Annual International Conference of the Engineering in Medicine and Biology Society (EMBC), 2006. IEEE, 2006: 3751-3754, ISBN 9781424400324

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研究目的(著者による)

This in vivo study was performed to investigate whether GSM signals affect the electrical activity of the human brain.

詳細情報

Nine healthy subjects and six epileptic patients participated. Each participant was exposed and sham-exposed.

影響評価項目

ばく露

ばく露 パラメータ
ばく露1: 900 MHz
Modulation type: pulsed
ばく露時間: continuous for 250 s?
-

ばく露1

主たる特性
周波数 900 MHz
タイプ
  • electromagnetic field
ばく露時間 continuous for 250 s?
Additional information GSM frequency range probably used
Modulation
Modulation type pulsed
Additional information

GSM

ばく露装置
ばく露の発生源/構造
  • セルラ-電話
ばく露装置の詳細 The EEG activity was recorded for 250 s per phase using a 32 electrode helmet.
Sham exposure A sham exposure was conducted.
Additional information The experimental session consisted of two sequential recording phases: 1) no RF emission and 2) maximum power emission. The control session consisted of the same two phases but without emission in any phase.
パラメータ

No parameters are specified for this exposure.

ばく露を受けた生物:

方法 影響評価項目/測定パラメータ/方法

研究対象とした生物試料:
研究対象とした臓器系:

研究の主なアウトカム(著者による)

Under radiofrequency irradiation the spectral arrangement of the EEG activity was altered for healthy subjects as well as epileptic patients. For the healthy subjects, a significant decrease of the EEG signal was observed for all frequency bands and more precisely on occipital electrodes for the alpha wave. For the epileptic patients, it was the opposite since the GSM exposure produced an increase of EEG signal energy in all frequency bands and without any local difference.
These results suggest that GSM mobile phones may have a biological effect on EEG signals.

研究の種別:

研究助成

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