AuDHD Explained: When Autism and ADHD Show Up Together in Adults Ever feel like your brain wants structure and novelty at the same time? That push-pull can be AuDHD — the overlap of autism and ADHD in adults. It’s the reason someone can hyperfocus for hours, then stall on the simplest task. Why routine feels necessary… and unbearable. Why your mind feels busy even when you look calm on the outside. This isn’t a character flaw. It’s a nervous system with two operating styles running at once. Unde