You have probably seen this paragraph:
Aoccdrnig to a rscheearch at Cmabrigde Uinervtisy, it deosn’t mttaer in waht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht the frist and lsat ltteer be at the rghit pclae. The rset can be a toatl mses and you can sitll raed it wouthit porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe.
Ah ha! That explains how cheeky little typos keep rearing their ugly heads in my manuscript! My brain knows the word on the page should be “buy” not “by,” so I read
write right over it.
I ran across this video from What You Ought To Know debunking the Cambridge study and I’m back to proofreading my novel with a fine-tooth comb.