Friday, June 30, 2006

 

The hand controlled by the thought

exploits

Japanese researchers in the laboratories of Kyoto and de Saitama used the Magnetic Resonance Imaging (MRI) to control a robot-hand via the power of thought.

During a demonstration, Yukiyasu Kamitani and his friends asked a guy to enter an RMI scanner, and to play Rock, Paper, Scissors. By moving the fingers, of course, mmh.

Scanner IRM records the activity of the brain when the subject makes the movements, and sends the data to a computer. After a short training period, the mechanical hand is able to repeat one of these 3 movements when the scanner-guy thinks of it.

This experience is regarded as an important opening in prosthetic research and operations ordered by the thought.

Klaus-Robert Mueller, a German researcher, has some (founded) doubts on the cost and the complexity of the system. Nevertheless, Yukiyasu is persuaded that applications in other fields will make it possible to use in every day's life.


Source : NewScientistTech, one month ago.
For those who do not know:
- Magnetic resonance imaging (MRI), formerly referred to as magnetic resonance tomography (MRT) or nuclear magnetic resonance (NMR), is a method used to visualize the inside of living organisms as well as to detect the composition of geological structures. It is primarily used to demonstrate pathological or other physiological alterations of living tissues and is a commonly used form of medical imaging. MRI has also found many novel applications outside of the medical and biological fields such as rock permeability to hydrocarbons and certain non-destructive testing methods such as produce and timber quality characterization. More on wikipedia.
- Like the Go game and mahjong,rock-paper-scissors has been invented in China. According to a book called 五雜俎 written by 謝肇淛 at the end of the Ming's periodthe lords of the Han dynasty played a game cammplay called 手勢令 which is, in reality, rock-paper-scissors.

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