(dpa) – A test person is using mind power to move the cursor of a PC, Berlin (undated). Researchers of the Fraunhofer Instistute are working on steering computers, protheses and other instruments by thought. The brain-computer-interface (BCI) technique shall also bridge paraplegics’ interrupted connection between brain and muscles. A specially developed data analysis software filters the relevant signal out of the plentiful brainwaves.