"The fMRI data revealed that certain brain areas became more active when trustees were breaking a promise. These regions – the dorsolateral prefrontal cortex, anterior cingulate cortex and amygdala – are known to be involved in emotion. They could reveal an emotional conflict in a person who knows they are doing something wrong, or feels guilty, says Baumgartner."

Lie detection by fMRI comes closer for every day. Detecting beforehand if you will keep your promise is one step further towards developing pre-crime measures. The visions from the movie Minority Report is soon not visions anymore...