Marcia Cavadas

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This study was a longitudinal assessment of mercury exposure in schoolchildren in an urban area of the Brazilian Amazon. The study population consisted of 90 children whose exposure levels were assessed by testing mercury levels in the umbilical cord blood and mothers' blood samples in 2000-2001, and in the children's hair and blood samples. The study also(More)
PURPOSE To evaluate hearing thresholds in children with a history of exposure to mercury during the prenatal period. METHODS Participants were 90 children of both genders with ages from 8 to 10 years, divided into two groups according to prenatal mercury exposure levels. The study group was composed by 57 children who had mercury levels in the umbilical(More)
PURPOSE To compare the performance of a group of children and adolescents diagnosed with attention deficit hyperactivity disorder (ADHD) pre and post-methylphenidate use in a behavioral auditory processing test battery (AP). METHOD Twenty-nine subjects, male and female, ranging from 7 to 15 years old have undergone different behavioral auditory processing(More)
This study was a longitudinal assessment of mercury exposure in schoolchildren in an urban area of the Brazilian Amazon. The study population consisted of 90 children whose exposure levels were assessed by testing mercury levels in the umbilical cord blood and mothers’ blood samples in 2000-2001, and in the children’s hair and blood samples. The study also(More)
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