BRAIN - New evidence confirms link between IQ and brain cortex

Rate of change in the thickness of the brain's cortex is an important factor associated with a person's change in IQ, according to a collaborative study by scientists in five countries including researchers at the Montreal Neurological Institute and Hospital – The Neuro, at McGill University and the McGill University Health Centre. The study has potentially wide-ranging implications for the pedagogical world and for judicial cases in which the de ...

http://medicalxpress.com/news/2014-03-evidence-link-iq-brain-cortex.ht