Two samples of participants (experiment 1: n=160 [116 women]; experiment 2: n=168 [112 women]) were exposed to CWsignal and GSMsignal while they were performing six cognitive tasks. In each experiment half of the participants were exposed to CWsignal and the other half to GSMsignal. In a separate session, they performed the same tasks under sham exposure. Half of the participants were tested with the mobile phone on their left ear, and half had the phone on the right ear, to investigate laterality effects.
Participant's performance was not significantly affected by radiofrequencyexposure in any of the six tasks in either the low or high cognitive load conditions (varied by task difficulty), whether they were exposed to GSM or CW signals and whether the phone was on the left or right side of the head.
Mobile Telecommunications and Health Research (MTHR), UK
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