Is sensory integration disorder just a massive rationalization for bad behavior? Sometimes it may seem that way to others, if not to you. You know that traditional discipline will not work if your child's behavior is driven by a need to feel comfortable in her body, but not everything a child with sensory integration disorder does is going to be motivated by that. Your child is still a child, and she will still test limits and bend rules. How can you tell the difference between can't and won't?