Absence of short-term effects of UMTS exposure on the human auditory system
Parazzini, Marta, Lutman, Mark E., Moulin, Annie, Barnel, Cécile, Sliwinska-Kowalska, Mariola, Zmyslony, Marek, Hernadi, Istvan, Stefanics, Gabor, Thuroczy, Gyorgy and Ravazzani, Paolo (2010) Absence of short-term effects of UMTS exposure on the human auditory system. Radiation Research, 173, (1), 91-97. (doi:10.1667/RR1870.1).
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Description/Abstract
The aim of this study, which was performed in the framework of the European project EMFnEAR, was to investigate the potential effects of Universal Mobile Telecommunications System (UMTS, also known as 3G) exposure at a high specific absorption rate (SAR) on the human auditory system. Participants were healthy young adults with no hearing or ear disorders. Auditory function was assessed immediately before and after exposure to radiofrequency (RF) radiation, and only the exposed ear was tested. Tests for the assessment of auditory function were hearing threshold level (HTL), distortion product otoacoustic emissions (DPOAE), contralateral suppression of transiently evoked otoacoustic emission (CAS effect on TEOAE), and auditory evoked potentials (AEP). The exposure consisted of speech at a typical conversational level delivered via an earphone to one ear, plus genuine or sham RF-radiation exposure obtained by an exposure system based on a patch antenna and controlled by software. Results from 73 participants did not show any consistent pattern of effects on the auditory system after a 20-min UMTS exposure at 1947 MHz at a maximum SAR over 1 g of 1.75 W/kg at a position equivalent to the cochlea. Analysis entailed a double-blind comparison of genuine and sham exposure. It is concluded that short-term UMTS exposure at this relatively high SAR does not cause measurable immediate effects on the human auditory system
| Item Type: | Article |
|---|---|
| Additional Information: | |
| ISSNs: | 0033-7587 (print) |
| Related URLs: | |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | University Structure - Pre August 2011 > Institute of Sound and Vibration Research > Human Sciences |
| Item ID: | 79191 |
| Date Deposited: | 15 Mar 2010 |
| Last Modified: | 01 Jun 2011 10:04 |
| Contributors: | Parazzini, Marta (Author) Lutman, Mark E. (Author) Moulin, Annie (Author) Barnel, Cécile (Author) Sliwinska-Kowalska, Mariola (Author) Zmyslony, Marek (Author) Hernadi, Istvan (Author) Stefanics, Gabor (Author) Thuroczy, Gyorgy (Author) Ravazzani, Paolo (Author) |
| Date: | January 2010 |
| Additional Information: | |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/79191 |
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