Scientists track footprints of thoughts

[29 November 2004 - ABC News Online] Australian scientists have discovered a way to track the electronic footpath of a single thought travelling through the human brain. The discovery has implications for everything from education to planning the safest way to undertake brain surgery. The latest developments in scanning techniques allow brain experts to track responses in the brain from particular movements and thoughts, in real time. "If we ask them to read a sentence we can actually look at them processing a single sentence. In other words we can look at the footprint of a single thought," Professor Keith Thulborn, from Chicago's Centre for Magnetic Resonance Imaging, said. More