The antidote to this mental calcification is meditation. As I've become more skilled at meditation, I view things less through my old filters and more as they are, in this moment.
To the original poster, I'm not so sure meditation would be the cure-all for all of the problems mentioned. I could see it helping with calming a mind overflowing with ancient "context". But the author indicated that this manifests more as slowness than with anxiety.
So you're systematically stripping away the value of integrating skills from your conscious, procedural mind to your intuitive, parallel processing mind?