Communications of the ACM
'mind Reading' Computer Deciphers Words From Brainwaves
Japanese scientists have developed a device that can read information from brainwaves and decipher words before they are spoken.
Credit: ALAMY
Kyushu Institute of Technology researchers have developed a computer that can read information from brainwaves and decipher words before they are spoken.
The researchers used this "telepathic" computer to discover that the brain's electrical activity is the same whether the words are spoken aloud or held inside.
The researchers examined the brains of 12 men, women, and children while they recited a series of words, recording their brainwaves throughout the process. The researchers found the device could identify the syllables and letters of the Japanese alphabet, showing the ability to decipher words and phrases without them needed to be said aloud. Each syllable produced a specific bit of brain wave activity, and the researchers built a database of these brainwaves. The researchers then developed algorithms that could identify the Japanese words for spring and summer 47 percent and 25 percent of the time, respectively. Meanwhile, single characters in the Japanese language were correctly identified almost 90 percent of the time.
This research could help people who have lost the ability to speak to be able to communicate again, according to Kyushu Institute of Technology researcher Yamazaki Toshimasa.
From Science World Report
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