Dyskinesia is an umbrella term encompassing a range of different movements. These are all movements that can be out of your control. Dyskinesia is very common in cerebral palsy.
I have cerebral palsy spastic diplegia. So it affects my legs and sometimes my fine motor skills. I walk with two canes. I do things a little slower, but I get things done.
One thing that parents can say to start a conversation with their kids is, "Let's talk".
Let me tell you about multimodal communication. We, as typical communicators, all use many different strategies. We use speech, gestures, facial expressions, technology, and no-tech solutions. As communicators, we all size up the situation based upon our communication partners, the context, the environment and then we choose to use the most effective communication strategy.