He has published extensively on production and comprehension of complex words; individual variability in reading comprehension and its low-level physiological underpinnings; sensorimotor and emotional underpinnings of language comprehension; and statistical methodology of experimental research. He is the founding Director of the Reading Lab, which focuses on acquisition of literacy and reading comprehension in proficient and struggling young adult readers. His research has been supported by SSHRC, NSERC, CFI, NIH and by provincial funding.