Is brain size related to cognitive ability of humans? This question has captured the attention of scientists for more than a century. An international team of researchers provides no evidence for a causal role of brain size for IQ test performance. In a meta-analysis of data from more than 8000 participants, they show that associations between in vivo brain volume and IQ are small.
http://www.sciencedaily.com/releases/2015/10/151014121103.htm
Larger brains do not lead to high IQs, new meta-analysis finds
14 octubre 2015
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