I first found the book "The Dyslexic Advantage: Unlocking the Hidden Potential of the Dyslexic Brain", which in turn talks about the spacing between minicolumns in the brain. So looking for these terms yeilds some intressting stuff, for example this:
I started it and are actually surprise how much it fits to my own experience to this day. Can you recommend further reading?
Thank you bring this to my attention!