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To examine the influence of exposure to extremely low frequency magnetic fields on memory impairment in rats.
Rats were exposed (n=10) or sham exposed (n=10).
At the end of the exposure period, rats were subjected to the Morris water maze. Afterwards, they were killed to remove the brain and take blood samples.
ばく露時間: continuous for 12 weeks
|ばく露時間||continuous for 12 weeks|
|チャンバの詳細||rats were placed in a special plastic box without metallic parts; animals were able to move freely in the box|
|ばく露装置の詳細||coil of Helmholtz with two parallel spires (5.2 m Œ 5.2 m) was used; distance between two coils was 2 m, and one was buried underground for 0.7 m|
|Sham exposure||A sham exposure was conducted.|
No significant differences were observed in the body weight, histopathological examination of the brain, content of beta-amyloid protein, and the performance in the Morris water maze between exposed and sham exposed rats.
The results indicate that exposure to extremely low frequency magnetic fields has no influence on the memory performance of rats.