This article, written by Rosalie Martin, appeared in the Dec 2021 edition of Nomanis.
Here are extracts and my comments.
Following the evidence
But high-quality evidence from studies across the world point at reading and writing as tasks overwhelmingly mediated by the phonemic (speech sound) processing areas of our brains. It has been shown that this continues to be so, even in accomplished readers and writers. The brain integrates print-based information with spoken language through neurological processing that is phonemically based.