Study type: Medical/biological study (experimental study)

Short GSM mobile phone exposure does not alter human auditory brainstem response. med./bio.

Published in: BMC Public Health 2007; 7: 325

Aim of study (acc. to author)

To study the potential adverse effects of the GSM mobile phones on the human hearing system.

Background/further details

15 subjects were exposed and 15 subject were sham-exposed.



Exposure Parameters
Exposure 1: 900 MHz
Modulation type: pulsed
Exposure duration: continuous for 10 min
  • power: 2 W peak value
  • SAR: 0.41 W/kg peak value

Exposure 1

Main characteristics
Frequency 900 MHz
Exposure duration continuous for 10 min
Modulation type pulsed
Additional info


Exposure setup
Exposure source
Chamber Subjects, instructed to avoid unnecessary movements, lay supine in a dimly lit, sound attenuated room on an electrically shielded bed with their eyes closed.
Setup The mobile phone was mounted on a plastic headset in normal use position.
Sham exposure A sham exposure was conducted.
Measurand Value Type Method Mass Remarks
power 2 W peak value - - -
SAR 0.41 W/kg peak value measured - -

Reference articles

  • Parazzini M et al. (2005): Influence on the mechanisms of generation of distortion product otoacoustic emissions of mobile phone exposure.

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)

A single 10 minute exposure of 900 MHz electromagnetic fields emitted by a mobile phone did not produce measurable immediate effects in the latency of auditory brainstem response waves I, III and V.

Study character:

Study funded by

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