Dr. Olive Healy:

There are a range of prerequisite schools that involved in acquiring literacy. Some of these are what we call behavioural cusps. It is like putting building blocks in place for somebody to be able to learn. Researchers from Columbia University have done a huge amount of work on this looking at behavioural cusps. These are pivotal behaviours that allow you to be able to access more complex learning activities down the road. It is really foundational learning but-----