Abstract
In this study, we investigated the effects of short-term Long-Term Evolution(LTE) radio-frequency electromagnetic field(RF-EMF) exposure on mouse behavior and dopamine signaling to identify the relationship between RF-EMFs and attention deficit hyperactivity disorder(ADHD). In a reverberation chamber, eight-week-old male mice were exposed to EMFs of 1,760 MHz(whole-body average specific absorption rate of 6 W/kg, 12 h/day) for five consecutive days. Behavioral tests were performed before and after the EMF exposure to evaluate the activity, attention, and memory of the mice. Neuro-positron emission tomography imaging targeting dopamine was also performed before and after the RF-EMF exposure. The protein expression levels of dopamine receptors(D1R and D2R), dopamine transporter(DAT), and tyrosine hydroxylase(TH) were analyzed in the striatum of mice. It was observed that the short-term RF-EMF exposure did not significantly affect the behavioral and dopamine signaling systems in adult mice. In this study, we optimized the behavioral test and neurological analysis of mice to investigate the effect of the RF-EMF on ADHD. Our finding can be used to investigate the relationship between RF-EMF and ADHD further under various EMF exposure conditions.
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