After a stroke, he can write, but can’t read

From Oliver Sacks’ “The Case of Anna H.” (The New Yorker: 7 October 2002: 64):

I recently received a letter from Howard Engel, a Canadian novelist, who told me that he had a somewhat similar problem following a stroke: “The area affected,” he relates, “was my ability to read. I can write, but I can’t read what I’ve just written … So, I can write, but I can’t rewrite …”