McGuigan F J
Pavlov J Biol Sci. 1979 Oct-Dec;14(4):218-25. doi: 10.1007/BF03003003.
When one listens, one "say what one hears." In reading, one "says what one sees," following which, one "hears what one says." The processes of intermodal transfer and of phonetic coding to achieve lexical-semantic processing are hypothesized. The technologic consequence is that covert oral behavior (subvocalization) during silent reading is beneficial to children and should not be tampered with by the teacher.