I never mime. One of things during the ADOS test that I had to do was show (ie. mime) and tell how to wash my face and also how to brush my teeth. I was unable to mime the actions. I don't know if this added or took away from my autism score, but I do know I well surpassed the cutoffs for autistic disorder. I do use some gestures when I cannot verbalize what I want, but they tend to be rather ambiguous (not like a mime at all), and people who know me can usually figure out what I mean because they know me.
_________________
Diagnosed with classic Autism
AQ score= 48
PDD assessment score= 170 (severe PDD)
EQ=8 SQ=93 (Extreme Systemizer)
Alexithymia Quiz=164/185 (high)