An intraspecific appraisal of the social intelligence hypothesis.
An intraspecific appraisal of the social intelligence hypothesis.
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DOI：
10.1098/rstb.2017.0288
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发表时间：
2018-09-26
期刊：
影响因子：
--
通讯作者：
Ridley AR
中科院分区：
文献类型：
--
作者：
Ashton BJ;Thornton A;Ridley AR
认知进化的流行假设集中在与群体生活相关的需求（社会智力假设（SIH））或生态挑战，如寻找食物。测试这些假设的比较研究产生了高度矛盾的结果;因此，我们对认知进化驱动因素的理解仍然有限。为了理解选择如何塑造认知，研究必须采用种内方法，重点关注认知个体差异的原因和后果。在这里，我们回顾了最近的种内认知研究的结果，调查预测的SIH。我们对澳大利亚喜鹊（Cracticus tibicen dorsalis）和其他一些类群的研究提供了大量证据，表明较大社会群体中的个体表现出较高的认知能力，在某些情况下，生殖健康也有所提高。这些发现不仅证明了社会环境如何有潜力塑造认知进化，而且至关重要的是，它们证明了在试图解释认知变异的原因时考虑遗传和发育因素的重要性。本文是“认知能力个体差异的原因和后果”主题的一部分。
The prevailing hypotheses for the evolution of cognition focus on either the demands associated with group living (the social intelligence hypothesis (SIH)) or ecological challenges such as finding food. Comparative studies testing these hypotheses have generated highly conflicting results; consequently, our understanding of the drivers of cognitive evolution remains limited. To understand how selection shapes cognition, research must incorporate an intraspecific approach, focusing on the causes and consequences of individual variation in cognition. Here, we review the findings of recent intraspecific cognitive research to investigate the predictions of the SIH. Extensive evidence from our own research on Australian magpies (Cracticus tibicen dorsalis), and a number of other taxa, suggests that individuals in larger social groups exhibit elevated cognitive performance and, in some cases, elevated reproductive fitness. Not only do these findings demonstrate how the social environment has the potential to shape cognitive evolution, but crucially, they demonstrate the importance of considering both genetic and developmental factors when attempting to explain the causes of cognitive variation. This article is part of the theme issue ‘Causes and consequences of individual differences in cognitive abilities’.
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影响因子：
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