The Science Behind Mirror Writing.
Mirror-writing is a common phenomenon in childhood development, where children often reverse letters and numbers. This is because our brains evolved to "mirror generalise", meaning we automatically learn to recognise the mirror image of an object. However, as we learn to read and write, our brain gradually figures out that mirror generalisation applies to objects in nature, but not to words and letters. For right-handed people, and left-handed people who were forced to write with their right hand, mirror-writing may simply result from the way we move as we write.