【摘要】 本文观察记录了生活在自由条件下进行人工喂饲的没有实验经验的恒河猴自由取食时利手的现象。结果表明,从群体的材料看无一侧化利手优势现象;从个体材料看一侧化利手者是显著的。更多还原

【Abstract】 This research was divided into two parts: 1. About 1,200 artificially fed Rhesus Monkeys were observed for atotal of 1,510 monkey-times in unrestrained free range. For each monkeywe counted randomly ten times of hand use in picking up food duringfeeding, and then recorded right and left hand use ten times for each hand.The results showed that there were no dominant lateratization of han-dedness in the monkey group. 2. 79 Rhesus Monkeys were observed in breeding cages. We countedten times of hand use in picking up food by each monkey during feed-ing everyday within a period of ten days, and then recorded right andleft hand use ten times for each monkey. The results showed that the mon-keys exhibited handedness but no dominant lateralization of same.更多还原