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To investigate the effects of exposure to W-CDMA cellular phone on regional cerebral blood flow in humans.
Nine healthy volunteers underwent 12 scans (ten minutes break in between each scan). Additionally, before the experiment two scans were assessed as baseline. Half of the 12 scans were performed under exposure conditions and the other half under sham exposure conditions. The interval between the real exposure and sham exposure was at least one week in order to avoid any lasting effects. The fifth scan was assessed immediatly after the exposure/sham exposure and the sixth scan followed ten minutes after.
|ばく露時間||continuous for 30 min|
|Distance between exposed object and exposure source||40 mm|
|ばく露装置の詳細||antenna covered by a 54 mm x 64 mm plastic box mounted to the right side of the subject's head|
|Sham exposure||A sham exposure was conducted.|
No significant changes in regional cerebral blood flow were found under exposure compared to sham exposure.
In this study, electromagnetic fields emitted by W-CDMA mobile phones did not affect the regional cerebral blood flow in humans during or after exposure.