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Visual Classical Conditioning in Wood Ants
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专业面部学习与纸黄蜂的个体识别有关
Michael J Sheehan1, Elizabeth A Tibbetts
1Department of Ecology and Evolutionary Biology, University of Michigan, Ann Arbor, MI 48109, USA. mic@umich.edu
Science (New York, N.Y.)
|December 7, 2011
概括
面部识别在黄蜂中与专业的面部学习技能一起进化,使黄蜂面部能够快速准确地识别. 这与缺乏这些能力的亲属形成了鲜明对比,突出了认知能力.
科学领域:
- 行为生态学 行为生态学
- 进化生物学 进化生物学
- 神经伦理学 神经伦理学
背景情况:
- 面部识别是一种复杂的认知能力,在各种动物种群中观察到,包括哺乳动物和一些昆虫.
- 面部识别背后的进化驱动因素和认知专业化在各种物种中仍然不完全理解.
- 黄蜂属Polistes提供了一个独特的系统来研究由于识别行为在物种间的变化导致的社会认知的演变.
研究的目的:
- 为了研究面部识别能力和在黄蜂物种Polistes fuscatus中专门的面部学习之间的关联.
- 为了比较P. fuscatus的面部学习能力,与一个密切相关的物种Polistes metricus进行比较,这种物种缺乏面部识别.
- 探索跨种类的专业认知,特别是面部识别的进化可变性和适应性塑造.
主要方法:
- 行为实验呈现P. fuscatus与正常,非面部和操纵的黄蜂面部图像.
- 评估P. fuscatus面部分化的速度和准确性.
- 在P. fuscatus和P. metricus之间对面部学习能力的比较分析.
主要成果:
- 与非面部或操纵图像相比,Polistes fuscatus显示出正常黄蜂面部图像的显著更快,更准确的差异化.
- 一个缺乏面部识别的相亲Polistes metricus,没有表现出专门的面部学习能力.
- 这些发现表明,P. fuscatus的面部专业化具有独立的进化,与哺乳动物的类似专业化并行.
结论:
- 黄蜂面部识别的演变与特殊面部学习能力的发展密切相关.
- 特殊的认知,如面部识别,似乎在进化上是不稳定的,可以通过特定物种的选择性压力来适应地塑造.
- 在与远距离相关的种群中面部专业化的融合进化和与之密切相关的种群中的分歧强调了认知进化的动态性质.
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