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To study the influence of pulsed radiofrequency electromagnetic fields of digital GSM mobile phones on working memory in healthy subjects.
Modulation type: pulsed
ばく露時間: continuous for about 30 min
|ばく露時間||continuous for about 30 min|
|Pulse width||577 µs|
|Repetition frequency||217 Hz|
|Distance between exposed object and exposure source||4 cm|
|ばく露装置の詳細||The mobile phone was mounted on the left side of the subject's head in normal position for use. The antenna was located about 4 cm apart from the head, over the posterior areas of the left temporal lobe. The RF power was switched on and off via a data cable from a laptop.|
|Additional information||Each subject was tested twice within a single session, with and without RF exposure.|
The radiofrequency field speeded up response times when three items had to be kept in memory but no effects of radiofrequency were revealed with lower loads. The data suggest that radiofrequency fields have a measurable effect on human brain function and cognition.