Imagine a world where clothing feels like sandpaper, light is excruciating, or sounds make you feel like your ears are going to bleed. That is what it’s like for someone with sensory processing disorder, or SPD.
Approximately 1 in 6 children have SPD (some reports say 1 in 20, but this appears to be based on earlier research). It is unclear how many adults are affected; it is typically seen in children with autism and ADHD. There is very little research on adults with these issues at this time.