Neuroimaging: Many Analysts, Differing Results
70 teams processed the same collection of fMRI data – using different software, taking different steps, and setting different thresholds—and came to different conclusions more than half the time. With today’s huge datasets and multiple methods of analysis, it’s critical that researchers describe their methods precisely so others can reproduce their results.
Neuroimaging: Separating the Promise from the Pipe Dreams
Neuroimaging can reveal a great deal about the brain, but scientists and the science-savvy must be careful lest we read too much into imaging findings. Russell A. Poldrack, Ph.D., a leading theorist on how to interpret certain neuroimaging results, explains the limits of this promising technology and the caveats we should keep in mind when we hear of a “breakthrough.”