| Humans lie. And ever since Adam said "What | | | | an easier way to ferret out the truth, it |
| Apple?" humans without omniscient means to | | | | simply requires a special type of question. |
| look inside each others' heads have been | | | | |
| searching for easier clues. Technology joined | | | | Say someone claims they've been in the |
| the fray measuring physiological changes that | | | | library all day studying so there is no way |
| indicated stress. But the tech assumes liars | | | | they could have been part of that wild block |
| experience stress when telling untruths | | | | party that broke the back windshield of your |
| ---and this is not always the case. People | | | | mint condition 1977 Gremlin. What would you |
| may feel stress in those situations but for | | | | ask them to find out the truth? Here's the |
| other reasons as well. Truth serums, in the | | | | secret... |
| form of barbituates like sodium pentothal, | | | | |
| were believed to rewire the brain making it | | | | "Ah, ok. Must have been a lot of wild stuff |
| impossible to lie. But the subjects were | | | | going on, I heard someone pulled the fire |
| usually so sedated it made it impossible for | | | | alarm in the library too, did they have to |
| them to speak as well. | | | | evacuate everybody?" |
| | | | |
| The latest technological advances discovered | | | | Now, if he asks what the heck you are talking |
| blood flows differently in the brain when | | | | about, chances are he was in the library. If |
| someone is lying. Areas associated with | | | | he incorporates your lie to add further |
| cognitive control, like the amygdala and | | | | substantiation to his story, you got him. Try |
| thalamas linked to the inner editor, have | | | | it out, you may discover some interesting |
| been implicated in fMRI research. But there's | | | | things. |