Yes, there are theories that these things are all fundamentally monotropism. Then the criticism of the DSM is that it takes monotropic minds in the worst (read

Yes, there are theories that these things are all fundamentally monotropism. Then the criticism of the DSM is that it takes monotropic minds in the worst (read negative) environments, and buckets those into disorders like autism and ADHD. DSM classification is not fact, it is a diagnostic tool to assist with treatment. The theory of monotropism is an interesting area of research which potentially explains the underlying mechanism.