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EMF Study
(Database last updated on Nov 27, 2020)

ID Number 152
Study Type Human / Provocation
Model 900 MHz (AMPS) exposure to humans and analysis of on nerve conduction velocity
Details

Human subjects were used in two separate studies looking at ulnar nerve conduction velocity and facial nerve latency. In the first study, the ulnar nerve in the left forearm of one subject was exposed using an amplified GSM signal with an incident electric field of up to 30 V/m (for parallel polarization) and 60 V/m (for perpendicular polariztion). No significant difference in nerve conduction velocity was observed as compared to sham exposure tests. In a second experiment, the effect of heat conduction from the handset of an analogue AMPS phone to the face was investigated. One subject used a normal cellular phone and 2 other subjects used cellular phones in which the antenna had been replaced with a dummy load (allowing the phone to warm, but eliminating RF emissions). After the phones had been held to the face for a sufficient time to allow thermal equilibrium to be established, the phone was removed and facial nerve distal motor latency to the nasalis muscle measured along with peak facial temperature until thermal equilibrium re-established at ambient temperature. No significant change in facial nerve latency was observed as a result of skin heating by the handset.

Findings No Effects
Status Completed Without Publication
Principal Investigator EME Australia Pty Ltd, Australia - vitas@ieee.org
Funding Agency Telstra, Australia
Country AUSTRALIA
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