Spasticity is usually caused by central nervous system injuries, such as brain injuries or spinal cord injuries. Spasticity is a little different from stiffness.
We all have different towns and we all have different things that we do in the course of the day. It may be that the student is a great artist or a great writer. When it comes to assistive technology we have to think about what is going to give that student the ability to do what they love without having to see roadblocks and go, "I can't do that”. There are so many tools out there, whether it's a communication app, a video app, a math tool. With assistive technology you are not making the student into what you want them to be.
The typical cognitive assessments that are used for children require them to be able to use their hands to point to pictures or hold puzzle pieces.
For a child with CP learning to move, the really important things to remember are that the child should always be active.