Reacción a "Different autism profiles identified according to age of diagnosis"

The paper, the result of a high-powered international collaboration, demonstrates that autism is not a unitary condition. It makes clear that children diagnosed early and those diagnosed late form two very different subgroups. There is little overlap between them in terms of clinical features or genetics. It makes me hopeful that even more subgroups will come to light, and each will find an appropriate diagnostic label. It is time to realise that ‘autism’ has become a ragbag of different conditions. If there is talk about an ‘autism epidemic’, a ‘cause of autism’ or a ‘treatment for autism’, the immediate question must be, which kind of autism?