30.
at age 47.
Yes, one can train oneself to get better at facial expression reading. That is why some of us improve on our scores and our ability to read facial expressions, as we get older.
Still, it is a silly old test, as i said in another thread, as it involves the measure of a static skill, which we can become highly adept at. But does that skill easily translate to the real world?
The issue is whether this static skill can then be applied in real life, given that we ASD people struggle with change, the dynamic, and the shifting world and all it entails.