恩施土家族7项不对称行为特征的分析

Study on Seven Asymmetric Behavioral Traits of Tujia Ethnic Group of Enshi in China

目的:探讨恩施土家族7项不对称行为特征。方法:采用学术界公认的群体遗传学调查方法,对恩施土家族178例(男90例,女88例)高职生的扣手、利手、叠臂、叠腿、利足、起步类型和利眼7项不对称行为特征进行调查分析,结果:(1)恩施土家族扣手的右型率为51.12%,起步类型的右型率为36.52%,利眼的右型率为60.11%,在国内各族群中属于较低水平;利手的右型率为96.07%,叠臂的右型率为57.87%,在国内各族群中属于较高水平;叠腿的右型率为75.84%,利足的右型率为93.26%,在国内各族群中处于中等水平。(2)除叠臂、利足和利眼外,其他4项不对称行为性别间无统计学差异。(3)恩施土家族在叠臂与扣手、利眼与扣手、叠腿与叠臂、起步类型与叠臂、起步类型与叠腿、利眼与叠腿之间存在相关关系。结论:恩施土家族7项不对称行为特征与其他民族比较有一些相似之处,但也有自己的特点。

Objective： To explore the 7 asymmetric behavioral traits of Tujia Ethnic group of Enshi in China. Methods： A total of 178 cases （90 males and 88 females） of Enshi Tujia nationality in high profes-sional -technology college were selected and divided into four groups according to the methods of population genetics. 7 behavioral traits, including clasping hand, handedness, folding arm, folding leg, preferential foot, stride type and preferential eye, were investigated. Results： （1） Compared with corresponding domestic average, the percentages of preferential right type on 3 traits （clasping hand 51. 12% , stride type 36. 52% and preferential eye 57. 87% ） all showed a lower level, but right type on handedness （with a percentage of 96. 07% ） and right type on folding arm （with 57. 87% ） were opposite. Also, compared with other ethnic groups, the percentage of right type on folding leg 75. 84% and preferential foot 93. 26% are on common level. （2） There are statistical differences on gender percentages among folding arm, preferential foot and preferential eye. （3） Actually, the results reflect that folding arm is correlated with clasping hand, in addi-tion ,preferential eye with clasping hand, folding leg with folding arm, stride type with folding arm, stride type with folding leg and preferential eye with folding leg. Conclusions There are some similarities between the seven asymmetric behaviors of Enshi Tujia and other ethnic groups, but also have their own characteristics.