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作 者:田向玲 李保国[2] 赵大鹏[1] TIAN Xiangling;LI Baoguo;ZHAO Dapeng(College of Life Sciences,Tianjin Normal University,Tianjin 300387,China;College of Life Sciences,Northwest University,Xi'an 710069,China)
机构地区:[1]天津师范大学生命科学学院,天津300387 [2]西北大学生命科学学院,西安710069
出 处:《兽类学报》2021年第2期156-163,共8页Acta Theriologica Sinica
基 金:国家自然科学基金(31772468,31730104,31200293)。
摘 要:社会环境中动物个体之间在互动行为过程中所表现出的行为偏侧称为社会偏侧。社会偏侧对于物种个体和群体的适应性生存均有重要意义。本研究基于生物系统发生关系,应用定量多维方法和The Observer 11.0动物行为观察分析系统初步研究笼养川金丝猴社会偏侧(社会互动过程中的位置偏侧)的基本特征。研究结果显示:(1)笼养川金丝猴在群组水平上表现出显著的前向偏好;(2)川金丝猴呈现一定左向偏好趋势,但未达到显著水平;(3)川金丝猴的社会偏侧行为无显著性别差异和年龄组差异。本研究结果在一定程度上支持右脑半球假说。Social laterality is defined as the behavioral laterality during animal inter-individual interactions under social environment.Social laterality has important evolutionary significances for both individual-level and group-level adaptive survival.Based on phylogenetic relationships,this study applied the quantitative multi-dimensional method and the Observer 11.0 to investigate the basic characteristic of social laterality(positional laterality during social interactions)in Sichuan snub-nosed monkeys(Rhinopithecus roxellana)for the first time.Social laterality on the individual level was analyzed by side index(SI)score and z scores respectively.Social laterality on the group level was analyzed by one-sample tests with individual SI scores.Mann-Whitney U-tests were used to investigate both sex and age differences.It was found that:(1)the front preference was found on the group level for this species;(2)the R.roxellana displayed a certain tendency toward leftward preference in the lateral condition,which did not reach at the significant level;(3)there was no sex difference and age-group difference for the direction and strength of social laterality for R.roxellana.Our findings to some extent support the right hemisphere hypothesis.
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