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Science & Technology

Can a computer spot if you are lying ?

By T.K. Randall
March 12, 2012 · Comment icon 10 comments

Image Credit: sxc.hu
Computer scientists have developed software that can predict if someone is lying in over 80% of cases.
The software tracks such things as eye movements and other key factors in determining if an individual is telling the truth. "What we wanted to understand was whether there are signal changes emitted by people when they are lying, and can machines detect them," said research scientist Ifeoma Nwogu. "The answer was yes, and yes," he said. Utilising the software in the analysis of 40 videotaped conversations it was able to predict whether the individual was lying 82.5% of the time.
Similar to the so-called “threat assessment” technology being researched, funded and field tested by the United States Department of Homeland Security (DHS), computer scientists are researching ways to read the visual cues individuals display when they are lying.


Source: Activist Post | Comments (10)

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Recent comments on this story
Comment icon #1 Posted by questionmark 12 years ago
Hmmm... and that add for "Privacy Crisis" on the same page did not make you suspicious? There are many ways to tell a casual lie, from simple philosophical reasoning to eye movement. But if the liar is aware of them the whole nice machinery ceases to work. The most blatant example is that Israeli software that was capable of detecting lies in voice stress, they ran the test on Bill Clinton saying: I did not have sex with that woman and surprise, surprise, it showed that Clinton was saying the truth. Well, we know a little more about that now... Data collecting leads to a lot of data trash, tha... [More]
Comment icon #2 Posted by FlyingAngel 12 years ago
Not reliable. The polices could hijack the software and make anyone guilty from innocent.
Comment icon #3 Posted by King Fluffs 12 years ago
Nice...
Comment icon #4 Posted by Junior Chubb 12 years ago
Interesting but even if it was 99.99% accurate its not reliable enough, like lie detectors there will always be those that can fool the software.
Comment icon #5 Posted by aquatus1 12 years ago
I would call it more reliable than people, but that is about it. All the clauses that people have already mentioned still apply. It does annoy me though, when people start using Hollywood concepts as foundations for real life paranoia.
Comment icon #6 Posted by Oen Anderson 12 years ago
80% accuracy is a lie. I challenge them to use it on me. I'll bet it would say I was lying 100% of the time.
Comment icon #7 Posted by redhen 12 years ago
There is no one facial or bodily expression that can be taken as evidence of deceit. However, when you get a cluster of these, well, if it walks like a duck ... Here's an interesting TED video on liar spotting. I guess, in this case, House is right, "everybody lies".
Comment icon #8 Posted by redhen 12 years ago
80% accuracy is a lie. I challenge them to use it on me. I'll bet it would say I was lying 100% of the time. Challenge accepted! It is impossible to fake a genuine smile. http://en.wikipedia.org/wiki/Smile#Duchenne_smiling And that's the truth.
Comment icon #9 Posted by KnockoutMouse 12 years ago
A man can spot when a machine translates corrupted code. I see only one reason the inverse shouldn't apply. Second-order simulacra would prove problematic, to say the least. It's a different story when you trade in secrets. If anything should be so worth keeping, it needs must also be kept from you. Veracity, for example. It has nothing to do with honesty. Your facial expressions cannot betray a certainty which escapes your grasp.
Comment icon #10 Posted by UniqueWolf 12 years ago
Oh shoot... Now I got to search for electronics before lying! (Joking) Anyways that looks like it would glitch a lot.


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