"The difference comes when you talk about that bridge between the outside world and the person inside. That bridge is our senses, and it's not always constructed in a straight line from A to B. " That is a brilliant and beautiful explanation!

I've always thought of it as "wiring" and for some people the "wiring" is different. Not better or worse, just different. I like your description so much better.

"... he's made large strides in recent weeks/months." That is awesome to hear! I can't imagine how happy you are with that porgress.

My nephew took a pretty huge jump verbally a little after age 4. I've always loved the little guy. Being able to communicate with him more has been awesome!