Spasticity is usually caused by central nervous system injuries, such as brain injuries or spinal cord injuries. Spasticity is a little different from stiffness.
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.
"Cerebral palsy is primarily a motor impairment so it's really important to look at what the child’s motor function is. Are they developing on the trajectory of a child who has cerebral palsy or are they developing as we would expect a baby to develop? "
For a child with CP learning to move, the really important things to remember are that the child should always be active.