Two of my psychologists (my diagnostician, and my regular counsellor) have both said that autism is permanent, but that therapy can help me learn certain things that may help me become a bit more independent. I didn't find they were trying to cure me at all, but I am sure it probably happens with many.
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Diagnosed with classic Autism
AQ score= 48
PDD assessment score= 170 (severe PDD)
EQ=8 SQ=93 (Extreme Systemizer)
Alexithymia Quiz=164/185 (high)