The conclusion that we read whole words is without merit. The correct conclusion, which is nothing new, is that there is a lot of redundancy in language, and this trick focuses on an area of English redundancy. It won't work in a highly inflected language, for obvious reasons.
Or perhaps......Perceptual Grouping
[Link: amazon.ece.utexas.edu]What do they say about the signature line from the Dicky Roberts movie "Nucking Futs"?