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Liars Official Homepage. Liars follows two young men who tell elaborate stories that may or may not be entirely truthful. Teaming up with the Chicago-based improvisational group.
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The subjects then lay inside an fMRI scanner and lied about having fired the shot. They also received a polygraph test. Five more volunteers who did not shoot the gun were tested in the same ways to compare their responses. Both tests caught out the liars and identified the truth-tellers in every case.
The fMRI scan showed that specific areas of the brain were active during lying, including key parts of the frontal, temporal and limbic lobes. Overall, more areas of the subjects' brains were activated when they lied. Functional MRI picks up magnetic signals from oxygen atoms stuck to iron in the subject's bloodstream.
We're five years on, and all of the girls plus Mona are still dealing with what happened to them as teens, but Charlotte was a relic of that past that could easily have been the driving force behind season 6b. Recommended list. Edit Tags. Spencer asks how her mom isn't worrying about it because it could ruin her campaign, if she hasn't already. Overall, more areas of the subjects' brains were activated when they lied. But although some US government agencies still use the tests, the US National Academy of Sciences published a damning report in concluding that the instrument was very unreliable 1.
As brain activity increases, so too does blood flow, which carries more oxygen with it and boosts the signal strength. The technique, normally used for medical brain scans, can map activity in millimetre-sized parts of the brain. The technique could be most useful on subjects who have been trained to evade traditional polygraph tests, says Charles Honts, a psychologist from Boise State University, Idaho, who studies the polygraph's effectiveness.