For the first time, scientists have identified a gene linking the thickness of the grey matter in the brain to intelligence. Teenagers carrying a particular gene variant had a thinner cortex in the left cerebral hemisphere, particularly in the frontal and temporal lobes, and performed less well on tests for intellectual ability.
The study, scientists at King’s College London,ย is published today inย Molecular Psychiatryย and may help scientists understand biological mechanisms behind some forms of intellectual impairment.
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