Have you heard more about this? The article you link to does not specifically mention the studies in question:
""This calls into question the validity of countless published fMRI studies based on parametric clusterwise inference." It's not clear how many of those there are, but they're likely to be a notable fraction of the total number of studies that use fMRI, which the authors estimate at 40,000."
http://arstechnica.com/science/2016/07/algorithms-used-to-st...