Science: Brain Broadcasts

When sensitive electrodes are fastened to the head, they pick up tiny electrical impulses from the brain. These impulses can be amplified, measured and traced to specific nerve cells. The man who thus tuned in on the brain was Dr. Edgar Douglas Adrian, fellow of Trinity College, Cambridge, who won a Nobel physiology prize for his discovery in 1932. Last week Dr. Adrian reported his progress in this scientific eavesdropping. The messages he has picked up from the brain, he told an audience of distinguished scientists in the second Pilgrim Trust Lecture in Washing ton, have so far been...

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