在半自由的 rhesus 子 (Macaca mulatta) 中,社会认知特征的个体差异
Alexis A Diaz1,2, Raisa Hernández-Pacheco2, Alexandra G Rosati3
1Department of Biology, Stanford University, Stanford, California, USA.
American journal of primatology
|July 4, 2024
概括
个别的 rhesus 子在社会认知中表现出稳定,与年龄相关的变化,其中一些特征与任务相关联. 了解这些认知差异是灵长类动物进化研究的关键.
科学领域:
- 灵长类动物的行为
- 认知进化的认知进化
- 比較心理學 比較心理學
背景情况:
- 了解个体认知差异对于进化生物学和测试认知特征的生物学后果至关重要.
- 卡约圣地亚哥生物实地站的 rhesus 子 (Macaca mulatta) 为研究自然认知提供了一个独特的,庞大的群体.
研究的目的:
- 描述 rhesus 子在两个社会认知任务上的表现的个体差异.
- 研究与年龄相关的变化和社会认知反应的长期稳定性.
- 探索不同认知任务的表现之间的潜在关系.
主要方法:
- 评估了204只半自由生长的成年 rhesus 子在两年间隔的两个时间点进行两个社会认知任务.
- 社会情绪反应任务测量了对同类照片 (中性与负面表情) 的注意力.
- 任务后的目光评估了与实验者共同定向的倾向.
主要成果:
- 子对同类动物的兴趣与年龄相关的下降,但对威胁刺激的注意力增加,随着时间的推移,个体反应稳定.
- 在凝视跟踪中没有发现与年龄相关的变化,并且反应显示出有限的重复性.
- 对同物种的注意力的个体变化与注视的倾向有积极的关联.
结论:
- 灵长类动物的社会认知发展和衰老为认知进化提供了洞察力.
- 灵长类动物的核心社会认知特征可能在个体内和个体之间相互联系.
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