![](http://cainclusion.org/resources/camap/images/resource-logos/early-language-and-the-brain-smart-talk.png)
Early Language and the Brain: Smart Talk (Video)
URL: http://www.youtube.com/watch?v=qLoEUEDqagQ#t=205
Published: Feb 2014 | 5:29 minutes
The number of words a child hears in early life will determine their academic success and IQ in later life. By three, children from professional families hear 30 million more words than children on welfare.