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Neurosynth is a platform for large-scale, automated synthesis of functional magnetic resonance imaging (fMRI) data.
It takes thousands of published articles reporting the results of fMRI studies, chews on them for a bit, and then spits out images that look like this:

An automated meta-analysis of 516 studies of pain

Database Status

507891 activations reported in 14371 studies

Interactive, downloadable meta-analyses of 1334 terms

Functional connectivity and coactivation maps for over 150,000 brain locations