Larger brains do not lead to high IQs, new meta-analysis finds
Wednesday, October 14, 2015 - 14:20
in Psychology & Sociology
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.