Distance between exposed object and exposure source
Exposure took place in two identical but separate rooms with constant temperature and light conditions. Each room included a one-side-open exposure chamber (2.45 m x 2.3 m x 2.14 m) shielded with RF absorbers on walls and ceiling.
Exposure was continuously monitored and regulated using a three-axis E-fieldprobe. Numerical dosimetry was conducted according to Kuster and Schonborn  using the FDTD simulation platform and three whole-body anatomicalphantoms (two male, one female).
In both groups, well being and perceived field strength were not associated with actual exposure levels. No consistent condition-induced changes in cognitive performance except for two marginal effects were revealed: At 10 V/m, a slight effect on speed in one of six tasks in the sensitive subjects and an effect on accuracy in another task in non-sensitive subjects was found. Both effects disappeared after multiple endpoint adjustment. In contrast to the previous study, the authors could not confirm a short-term effect of UMTSbase station-like exposure on well being. The reported effects on brain functioning were marginal and may have occurred by chance. Regarding the implications for public health due to widespread exposure in the living environment, no conclusions about long-term effects of UMTSbase station-like electromagnetic fields can be drawn from this study, as only a short-term exposure was applied.
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