FMRI-based lie-detection systems seek to assess a direct measure of deceit: the level of activity in brain areas linked with lying. Studies have shown that the brain appears more active when someone is telling a falsehood, especially the brain ar...

Neuroscientists at MIT's McGovern Institute Neurotechnology Program plan to create reporter molecules that are sensitive to different neurochemicals. A marker that changes with calcium concentration, for example, could allow for MRI imaging of ne...