This is an excellent link to explain Orthographic mapping.
"Orthographic mapping; the process by which we store written words in our long-term memory, for quick retrieval at a later time. This concept was first described by Linnea Ehri, who explains it as creating links that “glue” spelling to the pronunciation of words in long-term memory. To create these links, we need to be very good at two things:
The article goes into further details about the ways various drills help solidify Orthographic mapping in the brain.
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