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Samsung working on brain-controlled tablet

Posted: 25 Apr 2013     Print Version  Bookmark and Share

Keywords:tablet  EEG  brain-computer 

Samsung researchers, in collaboration with University of Texas, are working to develop a tablet that can be controlled by our brains.

Samsung and Roozbeh Jafari, an assistant professor of electrical engineering at the University of Texas, Dallas are testing how people can use their thoughts to launch an application, select a contact, select a song from a playlist, or power up or down a Samsung Galaxy Note 10.1.

However, Samsung said they are still into an early-stage research, and have no immediate plans to offer a brain-controlled phone. The process involves a cap studded with EEG-monitoring electrodes and it shows how a brain-computer interface could help people with mobility issues complete tasks.

To use EEG-detected brain signals to control a smartphone, the researchers monitored well-known brain activity patterns that occur when people are shown repetitive visual patterns. In their experiment, they found that people could launch an application and make selections within it by concentrating on an icon that was blinking at a distinctive frequency.

Insoo Kim, Samsung’s lead researcher, said, “Still, it will take considerable research for a brain-computer interface to become a new way of interacting with smartphones. The initial focus for the team was to develop signal processing methods that could extract the right information to control a device from weak and noisy EEG signals, and to get those methods to work on a mobile device."

The speed with which a user of the EEG-control system can control the tablet depends on the user. In the team’s limited experiments, users could, on average, make a selection once every five seconds with an accuracy ranging from 80 to 95 per cent.

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