噪声暴露对全身振动感知阈值的影响(英文)

被引:1
作者
佐藤哲身
前田節雄
矢野隆
机构
[1] Hokkai Gakuen University Sapporo 064-0926
[2] Japan
[3] Japan NIOSH
[4] Kawasaki 214-8585
[5] Kumamoto University
[6] Kumamoto 860-8555
关键词
全身振动感知阈值; 噪声与振动联合作用; 心理试验;
D O I
暂无
中图分类号
O422.8 [噪音];
学科分类号
070206 ; 082403 ;
摘要
尽管对全身振动感知阈值已有人做过一些试验研究,但是对于暴露于噪声条件下的感知阈值尚无相关试验.但此项研究是很重要的,因为许多振动源往往同时也激发产生噪声.文中通过一项试验来探讨噪声对身体振动感知阈值的影响.共有10位受试者坐在固定于垂直振动台的椅子上,被要求自行调节振动级来确定阈值.采用4种正弦波形的振动以及随机振动作为刺激,同时采用以10dB作为调节量的随机噪声作为刺激.试验发现阈值随着噪声级的增加而增加.这意味着随噪声级的增加,人体对振动的敏感度下降了.尽管此中的原图尚不明晰,但文中对同一频率下听觉与振动感觉之间的相互影响提出了建议.
引用
收藏
页码:108 / 111
页数:4
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