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Thirty minutes mobile phone use has no short-term adverse effects on central auditory pathways
Noritoshi Arai1, Hiroyuki Enomoto, Shingo Okabe
1Department of Neurology, Division of Neuroscience, Graduate School of Medicine, University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
Objective:
To investigate whether pulsed high-frequency electromagnetic field (pulsed EM field) emitted by a mobile phone for 30 min has short-term adverse effects on the human central auditory system.
Methods:
We studied the auditory brainstem response (ABR), the ABR recovery function and middle latency response (MLR) before and after using a mobile phone for 30 min in 15 normal hearing volunteers.
Results:
None of the 3 measures were affected by exposure to pulsed EM field emitted by a mobile phone for 30 min.
Conclusions:
Based on the ABR and MLR methods utilized in the study, we conclude that 30 min mobile phone use has no short-term adverse effects on the human auditory system.
Insights
Thirty minutes of mobile phone use, emitting pulsed electromagnetic fields, showed no short-term adverse effects on the human auditory system. Auditory brainstem response and middle latency response remained unaffected in normal hearing volunteers.
Area of Science:
- Neuroscience
- Audiology
- Electromagnetic field research
Background:
- Mobile phones emit pulsed high-frequency electromagnetic fields.
- Concerns exist regarding potential short-term effects on the human auditory system.
Purpose of the Study:
- To evaluate the immediate impact of 30-minute mobile phone use on the central auditory system.
- To determine if pulsed electromagnetic field exposure affects auditory evoked potentials.
Main Methods:
- Auditory brainstem response (ABR) and middle latency response (MLR) were measured.
- ABR recovery function was assessed.
- Measurements were taken before and after a 30-minute mobile phone usage period in 15 participants.
Main Results:
- No statistically significant changes were observed in ABR.
- MLR parameters showed no alterations post-exposure.
- ABR recovery function remained consistent before and after mobile phone use.
Conclusions:
- Short-term (30-minute) mobile phone use does not adversely affect the human auditory system.
- The utilized electrophysiological measures (ABR, MLR) indicate no immediate harm from pulsed electromagnetic field exposure.
- Further research may explore long-term effects or different usage patterns.