佤族的6项不对称行为特征的研究

Studies on 6 Behavioral Traits of Lateral Functional Dominance in Wa Nationality

2005年10月在云南省耿马县四排山乡调查了252例(男135例,女117例)佤族人的6项不对称行为特征(扣手、利手、叠臂、叠腿、利足和利眼).研究结果显示:1)佤族中6项不对称行为特征L型率均低于R型率;2)佤族中6项不对称行为特征的出现率除叠臂、利足有性别间差异外,其他4项指标的出现率均无性别间差异;3)佤族扣手、叠腿的出现率与内蒙古汉族、蒙古族、朝鲜族、回族差异显著;佤族利手出现率与内蒙古回族差异显著;佤族叠臂出现率与内蒙古汉族和贵州布依族差异显著;4)对佤族6项指标间的相关性分析显示:利手-叠腿、利手-利足、叠腿-利足间存在相关性,且L-L型组合(左型-左型)的出现率低于R-R型组合(右型-右型)的出现率.

A sample of 252 people of Wa Nationality was invested on 6 behavioral traits of lateral functional dominance （handedness, clasping hand, folding arm, folding leg, preference foot and preference eye） in Oct., 2005. The results are as follows： 1） The preference of the left type on 6 traits in Wa Nationality are much less than that of right type; 2） There is no sexual difference in Wa Nationality on 6 traits preference, except folding arm and preference foot; 3） There is obvious difference between Wa Nationality and Han, Hui, Korean, Mongol nationalities on the preference of handedness, folding leg; There is obvious difference between Wa and Han, bouyei nationalities on the preference of folding arm; There is obvious difference between Wa Nationality and Hui nationalities on the preference of handedness; 4） Among the 6 traits, the correlation between handedness and folding leg, between clasping hand and preference foot; the preference of the L-L type（left-left type） is much less than that of R-R type （right-right type）.