 He said the noise hurts. The way he described it to me, he said it sounds like there's always a train running next to him. I'm not surprised. That's Rachel Fulmer. She's a pediatrician who treats many children with autism at Laurie Children's Hospital in Chicago. When something is uncomfortable or difficult sensory-wise for individuals with autism, it can be very upsetting. Fulmer says if a child with autism is having a hard time, parents can walk them through what to expect.