Childhood stimulation key to brain development, study finds

Scientists found that the more mental stimulation a child gets around the age of four, the more developed the parts of their brains dedicated to language and cognition will be in the decades ahead.

http://www.guardian.co.uk/science/2012/oct/14/childhood-stimulation-key-brain-development

Brain scan

Brain scans of participants aged in their late teens showed a correlation between cognitive stimulation at the age of four and a thinner, more developed, cortex Photograph: David Job/Getty Images