湖南苗族、侗族不对称行为特征分析

对湖南苗族、侗族共648（苗321，侗327）例正常人的8种不对称行为特征进行了调查分析，结果表明：（1）多数不对称行为特征的右型出现率过半；（2）叠腿和利足存在显著的民族差异（P〈0．05或P〈0．01）；背握手和利眼（苗族）的出现率在同民族男女间差异显著（P〈0．05）；（3）利手、叠腿和利足三者彼此间存在明显的相关性，相关特征的4种组合中以右-右型居多．

Analysis on behavioral traits of lateral functional dominance in Miao and Dong nationalities of Hunan provice

A sample of 648 students from 2 nationalities(Miao and Dong) in Hunan provice was investigated on 8 behavioral traits of lateral functional dominance(hand clasping,handedness,eye preference,stride type,arm folding,leg folding,foot preference and back hand-holding) in November and December,2004.The results showed:(1) In all 2 nationalities studies,the frequencies of right type were over 50% in most traits.(2) The frequencies of leg folding and foot preference showed difference between 2 nationalities(p<0.05 or p<0.01),and that of back hand-holding(Miao and Dong) and eye preference(Miao) were significant sex difference(p<0.05).(3) The correlation were higher among handedness,leg folding and foot preference,and the two relevant phenotypes usually showed right-right model.