Hidden or invisible difficulties mean that individuals do not show any physical signs, although they impact the individual’s day-to-day life.

Just as external characteristics such as height, weight, and eye color vary widely among people, the human brain within people also varies widely…

Take the quizzes and get an email with feedback on ways you may be different in that dimension…

My final gripe (maybe) is the definition of ADHD which says we have a delayed neurodevelopmental condition…