{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T09:59:34Z","timestamp":1791280774774,"version":"4.1.0"},"reference-count":51,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2011,1,21]],"date-time":"2011-01-21T00:00:00Z","timestamp":1295568000000},"content-version":"vor","delay-in-days":20,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Mount Sinai J Medicine"],"published-print":{"date-parts":[[2011,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Methylmercury is now recognized as an important developmental neurotoxicant, though this insight developed slowly over many decades. Developmental neurotoxicity was first reported in a Swedish case report in 1952, and from a serious outbreak in Minamata, Japan, a few years later. Whereas the infant suffered congenital poisoning, the mother was barely harmed, thus reflecting a unique vulnerability of the developing nervous system. Nonetheless, exposure limits for this environmental chemical were based solely on adult toxicity until 50 years after the first report on developmental neurotoxicity. Even current evidence is affected by uncertainty, most importantly by imprecision of the exposure assessment in epidemiological studies. Detailed calculations suggest that the relative imprecision may be as much as 50%, or greater, thereby substantially biasing the results toward the null. In addition, as methylmercury exposure usually originates from fish and seafood that also contains essential nutrients, so\u2010called negative confounding may occur. Thus, the beneficial effects of the nutrients may appear to dampen the toxicity, unless proper adjustment is included in the analysis to reveal the true extent of adverse effects. These problems delayed the recognition of low\u2010level methylmercury neurotoxicity. However, such problems are not unique, and many other industrial compounds are thought to cause developmental neurotoxicity, mostly with less epidemiological support than methylmercury. The experience obtained with methylmercury should therefore be taken into account when evaluating the evidence for other substances suspected of being neurotoxic. <jats:bold><jats:italic>Mt Sinai J Med 78:107\u2013118, 2011<\/jats:italic><\/jats:bold> \u00a9 <jats:italic>2011 Mount Sinai School of Medicine<\/jats:italic><\/jats:p>","DOI":"10.1002\/msj.20228","type":"journal-article","created":{"date-parts":[[2011,1,21]],"date-time":"2011-01-21T17:03:23Z","timestamp":1295629403000},"page":"107-118","source":"Crossref","is-referenced-by-count":105,"title":["Methylmercury and Brain Development: Imprecision and Underestimation of Developmental Neurotoxicity in Humans"],"prefix":"10.1002","volume":"78","author":[{"given":"Philippe","family":"Grandjean","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Katherine T.","family":"Herz","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2011,1,21]]},"reference":[{"key":"e_1_2_12_2_2","doi-asserted-by":"publisher","DOI":"10.1002\/hed.2890020410"},{"key":"e_1_2_12_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ntt.2009.06.006"},{"key":"e_1_2_12_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(06)69665-7"},{"key":"e_1_2_12_5_2","doi-asserted-by":"publisher","DOI":"10.1126\/science.181.4096.230"},{"key":"e_1_2_12_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF00334056"},{"key":"e_1_2_12_7_2","first-page":"117","article-title":"Poisoning by methyl mercury compounds","volume":"5","author":"Ahlmark A.","year":"1948","journal-title":"Br J Ind Med"},{"key":"e_1_2_12_8_2","doi-asserted-by":"publisher","DOI":"10.1071\/EN08014"},{"key":"e_1_2_12_9_2","doi-asserted-by":"publisher","DOI":"10.1080\/10408440802273164"},{"key":"e_1_2_12_10_2","unstructured":"National Institute for Environmental Health Sciences. 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