Before nineteen seventies, no one could imagine about the idea of using a computer without hands or keyboard. But nowadays, people can believe and hope for a more convenient way when using computers, especially for the disabled. Thanks to the development of Brain-computer interface.
There is a group of scientist in Washington who are experiencing on a small robotic vehicle. It is controlled directly by a person’s thought. Two scientists, Jose Michigan and Michele Travella, continued to develop this system. They can even talk when they watch the vehicle and guide it with their thoughts
To do so, scientists designed a special cap which is covered with the ICs and electronic circuits. They have to catch the signals from the user’s head then transmit them to a computer. The computer analyzes the signals and orders to the motorized wheelchair. Two cameras on the wheelchair have the duty of identifying information and they help the computer react the requirement from the brain. When they are testing in the lab, the scientists can operate a wheelchair just by thinking about moving their hands. But they are keeping improving the computer software easier so that it can identify complex brain signals and turn them into simple messages. Communication, and controlling physical devices and virtual devices are two catalogues that the disabled people can gain from.
When asked, the leader of this group said they wanted to develop the system for the deaf or dumb and the people who are suffering from physical disabilities. This can help them to communicate and control devices also. After achieving the success, the scientists want to take the technology out of laboratory and set two aspects. The first is that it will be tested on the real patients to prove that this is a possible device. The second component is for the guarantee that can use the technology for long time but free.
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