https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518049/
https://www.frontiersin.org/articles/10.3389/fnhum.2010.0022...
Also your own sources contradict the claim "Autistic people were never thought to lack emotions".
Where?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518049/
https://www.frontiersin.org/articles/10.3389/fnhum.2010.0022...