西北大学生命科学学院秦岭金丝猴研究团队在行为学领域著名期刊《Behavioural Brain Research》上发表的题为“Hand preference for spontaneously unimanual and bimanual coordinated tasks in wild Sichuan snub-nosed monkeys: Implication for hemispheric specialization”的论文，近日被国际权威评价机构“Faculty of 1000”特别认可为“F1000论文”(http://f1000.com/2474956)。

 
　　“Faculty of 1000”是由美国哈佛大学和英国剑桥大学等国际顶级生物学和医学教授组成的国际权威在线科研评价系统，提供目前世界上最重要的生物医学论文资讯及研究趋势，在全球具有很大的影响力。该机构专家根据论文对当前生物学和医学的贡献程度和科学价值，从每年所发表的生物医学SCI论文中评选出约2‰的重要文章，赋予“F1000论文”称号。

　　“Faculty of 1000”点评西北大学文章的专家是来自美国得克萨斯大学奥斯汀分校的Peter F. MacNeilage 教授，作为该校心理学系终身教授，他是“Faculty of 1000”专家成员之一，主要从事复杂行为系统进化方面的研究。Peter F. MacNeilage 教授认为“该文首次研究发现野生旧大陆猴左手群体水平手偏好，充分验证了姿势起源理论”。
 
原文摘要：

Hand preference for spontaneously unimanual and bimanual coordinated tasks in wild Sichuan snub-nosed monkeys: Implication for hemispheric specialization

Lateralized behaviour has been studied as an observable measure of cerebral functional asymmetry for many years, and interest in the evolutionary origins of lateralized behaviour in humans has prompted research into the study of manual laterality in nonhuman primates. The Sichuan snub-nosed monkey (Rhinopithecus roxellana) is a rarely studied species as far as laterality research is concerned. In this study, we investigated hand preference in spontaneously unimanual and bimanual coordinated tasks during grooming in wild R. roxellana in the Qinling Mountains of China. We chose 26 adult individuals (20 females and 6 males) for both tasks. Wild R. roxellana shows group-level left-handedness in bimanual coordinated grooming task, but not in unimanual grooming task, which is just found on the individual-level based on z-scores. Both the direction and strength of hand preference in the bimanual task are significantly stronger than that in unimanual task. Our findings present the first evidence of group-level handedness in wild monkeys although group-level handedness had been reported in wild apes [e.g. Pongo pygmaeus: Rogers LJ, Kaplan G. Hand preference and other lateral biases in rehabilitated orangutans, Pongo pygmaeus pygmaeus. Anim Behav 1996;51:13–25]. The results in R. roxellana support the theory of task complexity as well as the postural origin hypothesis.

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