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KMID : 0358520100220040324
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Korean Journal of Occupational and Environmental Medicine
2010 Volume.22 No. 4 p.324 ~ p.330
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Association of Blood Mercury Level and Neurobehavioral Performance in Korean Elementary School Students
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Sakong Joon
Jeon Man-Joong
Yun Sung-Ho
Hong Yong-Tae
Lee Chul-Gab
Kim Young-Ki
Ha Mi-Na
Kwon Ho-Jang
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Abstract
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Objectives: This study was conducted to examine the effect of blood mercury on neurobehavioral performance in Korean elementary school students.
Methods: We measured the blood mercury concentration in 1,077 elementary school students from Seoul, Busan, Daegu and Gwangju, then the students underwent computerized neurobehavioral test.
Results: The mean concentration of blood mercury of study subjects was 2.10 ㎍/L. An increased blood mercury was associated with an increased reaction time in digit addition and symbol digit.
Conclusions: The blood mercury concentration of study subjects was very high compared to findings in a foreign country. We found several associations between blood mercury level and neurobehavioral performance.
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KEYWORD
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Blood mercury, Elementary school students, Neurobehavioral performance
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