No influence of 20 and 400 μT 50 Hz magnetic field exposure on cognitive function in humans

被引：15
|
作者：
Delhez, M [1 ]
Legros, JJ [1 ]
Crasson, M [1 ]
机构：
[1] Univ Liege, CHU Sart Tilman, Psychoneuroendocrinol Unit, BelgianBioElectroMagnet Grp, B-4000 Cointe Ougree, Belgium
来源：
BIOELECTROMAGNETICS | 2004年 / 25卷 / 08期
关键词：
ELF; memory; attention; time perception; cognition; dose response relationship;
D O I：
10.1002/bem.20040
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The aim of the present study was to investigate cognitive effects of a continuous, vertical extremely low frequency (ELF) magnetic field (MF) of 20 and 400 muT 50 Hz in healthy young men during performance on cognitive tests. Thirty-two volunteers (20-30 years old, mean 22.6 +/- 2.2 years) participated in this double blind study. The test protocol consisted of a set of tests: divided attention, flexibility, memory updating, digit span, digit span with articulary suppression, and time perception. The total duration of the exposure was 65 min. Participants were assigned four sessions: three conditions in the helmet (sham exposure, 20 and 400 muT) and one condition out of the helmet (to control the expectancy effect). No effect of MF exposure was observed on performance. Bioelectromagnetics 25:592-598, 2004. (C) 2004 Wiley-Liss, Inc.
引用
收藏
页码：592 / 598
页数：7
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