An MRI study of brain structure and function in almost 12,000 children aged 9-10, and 649 lifestyle variables, found that socioeconomic factors were the largest correlate with variations in brain function (at 16%). Changes were greatest in sensorimotor regions susceptible to stress and fatigue. Controlled for socioeconomics, IQ and brain structure were unrelated.
Summary: https://neurosciencenews.com/socioeconomics-child-brain-development-iq-30870/
Original paper: https://www.science.org/doi/10.1126/science.aee6213




