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Journal articles

Effets d’une exposition chronique aux ondes radiofréquences sur la préférence thermique

Abstract : People living near mobile phone base stations may reports leep disturbances and discomfort. Using a rat model, we looked whether sleep disturbances might result from the disturbance of thermoregulatory processes by RF-EMF. We recorded thermal preference and sleep stage distribution in 18 young male Wistar rats. Animals (9 exposed ; 9 control) were exposed to low-intensity RF-EMF (900 MHz, 1 V.m-1) during 5 weeks. Thermal preference was assessed in an experimental chamber comprising 3 interconnected compartments, in which the air temperatures (Ta) were set to 24 °C, 28 °C and 31 °C. Sleep and tail skin temperature were also recorded. Our results indicated that relative to control group, during the light period, the exposed group preferred to sleep at Ta = 31 °C and the controls preferred Ta = 28 °C. The mean sleep duration in exposed group was significantly greater (by 15.5 %) than in control group and the frequency of slow wave sleep was greater in exposed group (by 4.9 episodes.h-1). The paradoxical sleep did not differ significantly between the two groups. During the dark period, there were no significant intergroup differences. RF-EMF exposure induced a shift in thermal preference towards higher temperatures.
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René de Seze. Effets d’une exposition chronique aux ondes radiofréquences sur la préférence thermique. Rapport Scientifique INERIS, 2015, 2014-2015, pp.29-31. ⟨ineris-01869529⟩

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