Some “Tattoos” Electronic and non -permanent facials can decode and measure brain waves to detect when the brain works too much and is overloaded, according to a study published by Device.
The device has been tested with six people and could help control the mental burden of workers such as air controllers or truck drivers, whose concentration failures may have serious consequences.
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Measurement of brain waves and mental fatigue in real time
Researchers at the University of Texas in Austin (USA) submitted the six people to a memory challenge that progressively increased in difficulty.
As it increased The mental loadparticipants showed greater activity in Theta and Delta brain waves, which indicated a greater cognitive demand, while alpha and beta activity decreased, which is a sign of mental fatigue.
These results suggest that the device can detect when the brain has difficulties, summarizes the magazine.
Technology develops faster than human evolution. Our brain capacity cannot follow the rhythm and can easily overload, ”said Nashu Lu, from the University of Texas and one of the signatories of the article.
The researcher stressed that “there is an optimal mental workload for optimal performance, which differs from one person to another” and finding balance is key.
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Objective measurement of work stress
The current mental load evaluation is based on NASA’s task load index, a subjective survey that participants fill in after performing tasks.
Tattoo offers an objective alternative when analyzing the electrical activity of the brain and the movement of the eyes, in processes known as electroencephalography (EEG) and electrooculography (EOG).
The electronic tatutajes were personalized and made the facial features of each participant, thus guaranteed that the sensors were always in the right place and received signals.
The study indicates that the device was not limited to detecting the excess mental loadbut it could also predict it, for which, from the tattoo signs, the researchers trained a computer model that successfully distinguished mental charge levels.
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Future of technology and applications for labor well -being
Although electronic tattoo only works in hairless skins, the equipment is working to combine it with sensors that do work with it, which will cover the entire head and perform a more thorough monitoring of the brain.
The researcher at the University of Texas, Luis Sentis, another of the signatories of the study, declared that the physical health of the workers has been controlled, monitoring the injuries and muscle tension, but now there is the ability to control the mental tension.
For Sentis, this could radically change the way organizations guarantee the general well -being of their workers. ”
(With EFE information)
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