There have been multiple and ongoing studies that show reading to your child helps develop multiple parts of the brain, including auditory processing capabiliti

There have been multiple and ongoing studies that show reading to your child helps develop multiple parts of the brain, including auditory processing capabilities that are essential to early reading development. The diversity of words matter, even the positive nature as opposed to negative tone of words matters. https://www.greatschools.org/gk/articles/word-gap-speak-more-words-to-your-preschooler-daily/ https://www.greatschools.org/gk/articles/word-gap-speak-more... is one article that discusses some options but the original study can be found here: http://www.aft.org//sites/default/files/periodicals/TheEarlyCatastrophe.pdf http://www.aft.org//sites/default/files/periodicals/TheEarly... There have been follow on studies discussed here https://www.edweek.org/ew/articles/2015/04/22/key-to-vocabulary-gap-is-quality-of.html https://www.edweek.org/ew/articles/2015/04/22/key-to-vocabul... That show it also has to do with the diversity of words, and even their tone (the positive vs negative) that is a key driver towards how well they engage and grow.