Be careful when lying about your IQ, because researchers have developed a machine learning algorithm that can show how clever you are when you look at a scan of your brain. The study showed that the new computer tool can predict a person's intelligence through functional magnetic resonance imaging scans (fMRI) of their resting-state brain activity.
The fMRT creates a map of brain activity by detecting changes in blood flow to specific brain regions
"We found that if we just leave people in the scanner and do nothing while measuring the pattern of activity in their brains, we can use the data to predict their intelligence, "said co-author Ralph Adolphs of California Institute of Technology (Caltech)
To train their algorithm on the complex patterns of activity in the human brain, researchers loaded the brain scans and intelligence. Scores of almost 900 people down.
The researchers found that after processing the data, the algorithm was able to predict the intelligence statistically significantly across the subjects.
"The information we get from the brain measurements can be used to explain about 20 percent of the variance in intelligence we observed in our subjects," said Julien Dubois of the Cedars-Sinai Medical Center.
In predicting intelligence from brain scans, the algorithm does something that humans can not do, because even an experienced neuroscientist can not see a brain scan and say how intelligent a person is, the researchers said.
The researchers also conducted a parallel study using the same test population and approach that attempted to predict personality traits from fMRI brain
The personality test they use divides the personality into five scales ̵
It has been found, however, that it is much harder to predict the personality using the team's method used for predicting intelligence.
The two studies are still published in the separate journals Personality Neuroscience and Philosophical Transacti
Published: June 30, 2018 5:30 pm | Updated: June 30, 2018 17:32