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本文应用计算机化自主神经系统功能测试系统对１０３例正常健康儿童（２～１２岁）进行了心动周期混沌（ｈｅａｒｔｐｅｒｉｏｄｓｉｇｎａｌｃｈａｏｓＨＰＣ）特征分析。结果：除ＨＣＣ外，学龄儿童组的四个混沌特征参数高于学龄前儿童组；功率谱参数学龄儿童组也高于学龄前儿童组。结果表明：儿童自主神经系统的发育，是随着年龄的增加而不断成熟的，其调控功能随年龄的不断增长而日趋完善
In this paper, we use computerized autonomic nervous system functional test system to analyze the characteristics of heart cycles of chaos (HPC) in 103 normal healthy children (2 ~ 12 years old). Results: Except for HCC, the chaotic characteristic parameters of four school-aged children were higher than that of preschool children. The power spectrum parameters of preschool children were also higher than that of preschool children. The results show that the development of children’s autonomic nervous system is maturing with the increase of age, and its regulatory function is increasingly perfect with the increasing of age