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  • Author Author: Catwell
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Eye tracking system looks deep into your eyes - can tell if you’re lying

Catwell

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SMI RED-oem Remote Eye Tracking platform render. (via SMI)


Law enforcement and federal agencies have been using polygraph machines to detect lies since Cesare Lombroso introduced his blood pressure device back in 1895. Before that? Torture was used as the best method to detect fibs (still is to some extent). Just ask any witch that was present at the Salem Trials and they could probably tell it didn’t work that well. Some analysts will tell you that the eyes are the gateway in detecting if someone is telling the truth or not. They claim the rate a person blinks is a telltale sign of lying as well as not making eye contact or even looking up and to the left or right may be an indication of false pretenses. Some of the early pioneers of computerized polygraph have banded together to form a company, known as Converus, which is developing a new platform that tracks eye movement to detect deception.


The soon-to-be-released EyeDetect device is outfitted with German-based SMI’s (SensoMotoric Instruments) RED-oem Eye Tracking 3D camera system that tracks gaze, eye movement and pupil dilation down to 1/10 of a millimeter. According to Converus, lying causes minute changes in the eye’s behavior because it induces ‘cognitive load’ (psychology- load related to executive control of working memory), which has an effect on eye movement. Think of it like computer RAM that holds on to pieces of data before being replaced by different programs. EyeDetect captures that ocular data and analyses it to assess the ‘likelihood’ of deception while ‘suspects’ answer a series of true or false questions. The company claims the system has an accuracy rate of 85%, which is pretty high in terms of reliability but most courts in the US still don’t allow polygraph tests submitted as evidence. Converus is set to launch their device in April of this year, with Mexico as its first test subject. Businesses will use it for pre-employment screening as well as using it for random testing on employees to weed-out those individuals that accept bribes or are involved in other nefarious activities (there goes police officers and government officials).


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Parents

  • surely something to be worried about if you never learnt to lie properly.

  • in reply to sqkybeaver

    sheldon bailey wrote:

     

    surely something to be worried about if you never learnt to lie properly.

    Exactly.  From Cabe's description, it's measuring anxiety and not truth.  That means it's ineffective if the subject is a confident liar, or has lied so effectively to himself or herself that the lie seems like the truth.  It will do a good job of weeding out honest employees who are anxious, making sure that you only hire confident, effective liars.

     

    It'll probably also weed out people who have considered the philosophy of truth.  It's be interested in a study of how effective the machine is before and after the subject has watched Kurosawa's Rashomon or Pirandello's It's the Truth if you think it is.

Comment
  • in reply to sqkybeaver

    sheldon bailey wrote:

     

    surely something to be worried about if you never learnt to lie properly.

    Exactly.  From Cabe's description, it's measuring anxiety and not truth.  That means it's ineffective if the subject is a confident liar, or has lied so effectively to himself or herself that the lie seems like the truth.  It will do a good job of weeding out honest employees who are anxious, making sure that you only hire confident, effective liars.

     

    It'll probably also weed out people who have considered the philosophy of truth.  It's be interested in a study of how effective the machine is before and after the subject has watched Kurosawa's Rashomon or Pirandello's It's the Truth if you think it is.

Children