Johnsrude's 2001 work on voxel-based morphometry in the journal NeuroImage is one of the most heavily cited papers in that journal.[7] In 2003, Johnsrude and her co-authors received an Ig Nobel Prize in Medicine for their work showing that London taxi drivers had more highly developed hippocampi than those in other professions.[8][9] In 2004, while still an assistant professor, Johnsrude was awarded her Canada Research Chair; it was renewed in 2009.[4][3] In 2009, Canadian prime minister Stephen Harper presented Johnsrude with the NSERC E.W.R. Steacie Fellowship, an award given annually to a small number of younger Canadian researchers with an international reputation for excellent research.[10] In 2010, Johnsrude was elected to the Global Young Academy.[4]