Researchers have conducted MRIs to prove that reading to children sparks changes in their brains. Specifically, reading aloud to preschoolers helps with “mental imagery and understanding narrative” which are both keys to emerging literacy.
Researchers looked at the brains of 19 3-5 year olds using MRI, scanning their brains while they listened to recordings of stories being read aloud. The results showed that children who were from homes where there was more reading had greater activity in the key brain areas than children who did not.
"This is a small and very early study, but the exciting thing it was able to demonstrate is that early reading does have an impact on the parts of the brain that are fundamental for developing literacy early on," DeWitt said. "It’s biological evidence that transcends empirical studies.