Chinese schools scanning children's brains to see if they are concentrating
US-made devices could be used to collect data on 1.2m pupils
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Your support makes all the difference.Headbands that monitor concentration by reading brain signals have been trialled on thousands of Chinese schoolchildren.
The devices could soon be used on millions of students across China, according to the US tech company which designed them.
Massachusetts-based start-up BrainCo says its Focus 1 headbands can help teachers identify pupils who need extra assistance.
However, neuroscientists have questioned the devices’ effectiveness and the technology has also raised privacy concerns.
The headbands use electroencephalography (EEG) sensors to detect brain activity when the wearer is engaged in a task.
The devices were worn by 10,000 schoolchildren aged between 10 and 17 during a recent trial in China, according to New Scientist.
Teachers monitored pupils’ attention using an app which received information from the headbands. Lights on the front of the devices also show different colours for varying concentration levels, flagging to staff if students are not paying attention.
Students also played a smartphone game aimed at improving their concentration for 25 minutes at home each day.
BrainCo founder and chief executive Bicheng Han said the trial led to improved grades among participants, who also needed to spend less time on homework.
The company has signed a deal to provide 20,000 headbands to a Chinese distributor.
"Our goal with the first 20,000 devices, each of which will be used by multiple students in schools, is to capture data from 1.2 million people," Mr Han.
However, the China study's results have not been published in an academic journal and scientists have voiced doubts about the technology.
Russell Barkley, clinical professor of psychiatry at Virginia Commonwealth University, said any improvements were likely to be caused by the placebo effect.
"It’s from parents’ expectation, not the products, he said.
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