The Italian Institute of Technology’s neurologist, Dr Alessandro Gozzi, who co-authored the study, explained: “For decades, we’ve observed tremendous variability in how autism manifests, but we lacked direct evidence that these differences reflected distinct underlying biology.
Article source: https://www.huffingtonpost.co.uk/entry/two-autism-subtypes-explained_uk_6af5bf9fe4b0914f133cfde8