该研究旨在评估厄瓜多尔的一个山村(San Pablo)感染一种或多种肠道蠕虫或原虫的小学生在服用驱虫剂前的神经心理学表现。 首先逐户普查,了解该地区家庭的社会经济特征,同时填写一份对寄生虫感染的态度和知识、生活环境、户主职业及受教育年限的调查表。第二步以家庭和学校均在SanPablo教区内的小学四、五年级9—13岁儿童为调查对象,以其他教区的50名儿童为对照。对每个儿童进行全面体检,并测碘水平, The study aimed to assess the neuropsychological performance of pupils infected with one or more intestinal worms or protozoa before taking repellents in San Pablo, an Ecuadorian village. First, carry out census-by-household surveys to understand the socio-economic characteristics of families in the area and also fill in a questionnaire on the attitudes and knowledge of parasitic infections, living environment, occupation of heads of household and years of schooling. In the second step, both the family and the school were surveyed in the fourth and fifth graders, aged 9-13 in San Pablo Parish, against 50 of the other parish. A comprehensive physical examination of each child, and test the level of iodine,