When first meeting a parent who's had a child newly diagnosed with cerebral palsy, I really want to try and help them understand their baby. It can be difficult for parents to take it in all at once and many leave that first interview quite overwhelmed, but you're going to meet some really important and helpful people.
Every educator needs to make a decision about technology they need to put in place. They're not sure if they should put Option A in place or Option B in place. This can be particularly difficult in the world of disabilities because there might not always be a perfect answer. Teachers can look to this solution, using the least dangerous assumption to make good decisions about what technology might be best.
When you don't have enough evidence about a student's performance, assume they can do whatever you're asking them to do.