Abstract
Introduction. The interaction of mobile phone radio-frequency electromagnetic radiation (RF-EMR) with the brain is a serious concern of our society.Objective. We evaluated the effect of RF-EMR from mobile phones on passive avoidance behaviour and hippocampal morphology in rats.Materials and methods. Healthy male albino Wistar rats were exposed to RF-EMR by giving 50 missed calls (within 1 hour) per day for 4 weeks, keeping a GSM (0.9 GHz/1.8 GHz) mobile phone in vibratory mode (no ring tone) in the cage. After the experimental period, passive avoidance behaviour and hippocampal morphology were studied.Results. Passive avoidance behaviour was significantly affected in mobile phone RF-EMR-exposed rats demonstrated as shorter entrance latency to the dark compartment when compared to the control rats. Marked morphological changes were also observed in the CA3 region of the hippocampus of the mobile phone-exposed rats in comparison to the control rats.Conclusion. Mobile phone RF-EMR exposure significantly altered the passive avoidance behaviour and hippocampal morphology in rats.
Highlights
The interaction of mobile phone radio-frequency electromagnetic radiation (RF-EMR) with the brain is a serious concern of our society
Experimental studies have shown that the radiofrequency electromagnetic radiation (RF-EMR) emitted from the mobile phones can affect the brain in various ways
In our previous study we had reported that mobile phone exposure in Wistar rats resulted in impaired spatial memory performance in the Morris Water Maze (MWM) test, demonstrated as more time taken to reach the target quadrant and less time spent in the target quadrant [9]
Summary
The interaction of mobile phone radio-frequency electromagnetic radiation (RF-EMR) with the brain is a serious concern of our society. We evaluated the effect of RF-EMR from mobile phones on passive avoidance behaviour and hippocampal morphology in rats. Mobile phone RF-EMR exposure significantly altered the passive avoidance behaviour and hippocampal morphology in rats. Experimental studies have shown that the radiofrequency electromagnetic radiation (RF-EMR) emitted from the mobile phones can affect the brain in various ways. These effects have been described in vitro and in vivo in a number of studies: in particular, effects on cerebral blood flow [1,2,3,4], blood-brain (Received 3 August 2009; accepted 10 December 2009) ISSN 0300-9734 print/ISSN 2000-1967 online Ó 2010 Informa UK Ltd. We tried to evaluate the effect of long-term exposure to RF-EMR emitted from a mobile phone (0.9 GHz/1.8 GHz) on passive avoidance behaviour and hippocampal morphology in male Wistar rats
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