Neurological research is the type that can often earn scientists a Nobel Prize. Investigating the"Brain-Computer Interface"makes clear how far-reaching the field is. Among the questions it addresses are: Can a human use the power of thought to control a machine?Many competing groups around the globe are trying to answer this query. A neurologist at Berlin’s Bernstein Center for Computational Neuroscience, John Dylan Haynes, tells us why neurological research is so exciting and about a project that could win him the Nobel Prize.