Many brain imaging researchers are optimistic about what the tools can do. They don’t dismiss the problems other scientists have raised, but they tend to view them as growing pains in what is still a relatively new field. Some problems, particularly those that arise through data collection and analysis, can likely be solved; some may be more endemic to the methods themselves. But none are as dire as many tweets and headlines proclaim. “It doesn’t hurt to remind people that you’ve got to keep those limitations in mind, no matter how advanced the field gets,” says Kevin Pelphrey, professor of ne...