Study type: Medical/biological study (experimental study)

Effects of the acute exposure to the electromagnetic field of mobile phones on human auditory brainstem responses. med./bio.

Published in: Eur Arch Otorhinolaryngol 2005; 262 (10): 839-843

Aim of study (acc. to author)

To explore the in vivo short-term effects of the electromagnetic fields of mobile phones on auditory brainstem responses in human.

Background/further details

18 healthy right-handed adult volunteers participated. Click acoustic stimuli were presented with 60 and 80 dB nHL (=normal hearing level) intensities.

Endpoint

Exposure

Exposure Parameters
Exposure 1: 900 MHz
Modulation type: pulsed
Exposure duration: continuous for 15 min
  • SAR: 0.82 W/kg maximum

Exposure 1

Main characteristics
Frequency 900 MHz
Type
Exposure duration continuous for 15 min
Modulation
Modulation type pulsed
Exposure setup
Exposure source
Setup The mobile phone was positioned in direct contact to the right ear.
Parameters
Measurand Value Type Method Mass Remarks
SAR 0.82 W/kg maximum calibration - -

Exposed system:

Methods Endpoint/measurement parameters/methodology

Investigated system:
Investigated organ system:
Time of investigation:
  • before exposure
  • after exposure

Main outcome of study (acc. to author)

The exposure to electromagnetic field for 15 minutes did not cause significant difference in the latencies of the auditory brainstem response obtained at both 60 and 80 dB nHL stimulus level.
In conclusion, acute short-term exposure at 900 MHz does not alter auditory nerve electrical conduction.

Study character:

Study funded by

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