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The Relationship Between Brain Size and Intelligence in Human

机译：人的大脑大小与智力之间的关系

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摘要

A fundamental neurobiology question is whether brain size correlates with intelligence. Numerous studies have been performed to answer this question in the last 150 years. Most early studies are case reports. Many well-performed and methodology-sound studies have been published in the last few decades. The majority of these studies showed that brain size indeed correlates with intelligence. However, various coefficients ranging mostly from 0 to 0.6 for this correlation have been reported. In this study, we will briefly review the evidence for the correlation between brain size and intelligence by discussing the results of meta-analyses. We will focus our study on discussing factors complicating the analysis of the relationship between brain size and intelligence. These factors may explain why different degrees of the correlation were observed in the previous studies. Finally, we will briefly discuss the direction of future studies to understand why people with bigger brain are smarter.
机译：神经生物学的一个基本问题是大脑的大小是否与智力相关。在过去的150年中，已经进行了许多研究来回答这个问题。大多数早期研究是病例报告。在过去的几十年中，已经发表了许多性能良好且方法论可靠的研究。这些研究大多数表明，大脑的大小确实与智力有关。然而，已经报道了用于该相关的各种系数大多在0至0.6的范围内。在这项研究中，我们将通过讨论荟萃分析的结果来简要回顾一下大脑大小与智力之间相关性的证据。我们将把研究重点放在讨论使大脑大小与智力之间的关系复杂化的因素上。这些因素可以解释为什么在先前的研究中观察到不同程度的相关性。最后，我们将简要讨论未来研究的方向，以了解为什么大脑较大的人更聪明。

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