Monday, September 19, 2016

Children born with big heads have higher IQs and thus a better chance of a successful future

The connection between larger head size and higher IQ is well-known but is usually given as a correlation around .3.  But in this very careful research it came out at .5, which is a major effect.  Interestingly, autistic people tend to have big heads too, and they often have quite extraordinary abilities in some field.  The study mentioned below was not confined to head size.  It looked at many physical attributes -- and many were intertwined with IQ and achievement.  IQ is a physical reality and an important one.  All men are not equal

Babies with big heads are more likely to be clever and have successful futures, a study has shown. Research carried out by UK Biobank has strongly linked higher intelligence with large head circumferences and brain volume.

Half a million Brits are being monitored by the charity to discover the connection between their genes, their physical and mental health and their path through life.

The latest evidence is the first finding to emerge from the study that aims to break down the relationship between brain function and DNA.

Researchers in a paper published by the Molecular Psychiatry journal said: 'Highly significant associations were observed between the cognitive test scores in the UK Biobank sample and many polygenic profile scores, including . . . intracranial volume, infant head circumference and childhood cognitive ability.'

Professor Ian Deary, of Edinburgh University, who is leading the research, said gene variants were also strongly associated with intelligence, according to The Times.

The new evidence is so accurate that experts claim it could even predict how likely it was that a baby would go to university based on their DNA.


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