MRI Lie Detection to Get First Day in Court
By Alexis Madrigal
Wired
Defense attorneys are for the first time submitting a controversial neurological lie-detection test as evidence in U.S. court.
In an upcoming juvenile-sex-abuse case in San Diego, the defense is hoping to get an fMRI scan, which shows brain activity based on oxygen levels, admitted to prove the abuse didn't happen.
The technology is used widely in brain research, but hasn't been fully tested as a lie-detection method. To be admitted into California court, any technique has to be generally accepted within the scientific community.
The company that did the brain scan, No Lie MRI, claims their test is over 90 percent accurate, but some scientists and lawyers are skeptical.
"The studies so far have been very interesting. I think they deserve further research. But the technology is very new, with very little research support, and no studies done in realistic situations," Hank Greely, the head of the Center for Law and the Biosciences at Stanford, wrote in an e-mail to Wired.com.
Lie detection has tantalized lawyers since before the polygraph was invented in 1921, but the accuracy of the tests has always been in question. Greely noted that American courts and scientists have "85 years of experience with the polygraph" and a wealth of papers that have tried to describe its accuracy. Yet they aren't generally admissible in court, except in New Mexico.
(More here.)
Wired
Defense attorneys are for the first time submitting a controversial neurological lie-detection test as evidence in U.S. court.
In an upcoming juvenile-sex-abuse case in San Diego, the defense is hoping to get an fMRI scan, which shows brain activity based on oxygen levels, admitted to prove the abuse didn't happen.
The technology is used widely in brain research, but hasn't been fully tested as a lie-detection method. To be admitted into California court, any technique has to be generally accepted within the scientific community.
The company that did the brain scan, No Lie MRI, claims their test is over 90 percent accurate, but some scientists and lawyers are skeptical.
"The studies so far have been very interesting. I think they deserve further research. But the technology is very new, with very little research support, and no studies done in realistic situations," Hank Greely, the head of the Center for Law and the Biosciences at Stanford, wrote in an e-mail to Wired.com.
Lie detection has tantalized lawyers since before the polygraph was invented in 1921, but the accuracy of the tests has always been in question. Greely noted that American courts and scientists have "85 years of experience with the polygraph" and a wealth of papers that have tried to describe its accuracy. Yet they aren't generally admissible in court, except in New Mexico.
(More here.)
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