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Edgar, Baron Adrian, neurophysiologist

Edgar, Baron Adrian, neurophysiologist

C021/9026

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Credit

NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY NATIONAL LIBRARY OF MEDICINE / SCIENCE PHOTO LIBRARY

Caption

Edgar Adrian (1889-1977), later Baron Adrian, British neurophysiologist and Nobel Laureate. Adrian studied Natural Sciences, before completing a medical degree. During World War I he treated soldiers with nerve damage and nervous disorders at St Bartholomew's Hospital in London. After the war he retuned to Cambridge and began the study of the transmission of signals by nerves. He showed that the strength of a nerve signal does not increase with the stimulus; in fact nerves transmit by frequency modulation. As the stimulus increases, the frequency of nerve signals (pulses per second) increases. It was for this work that he shared the 1932 Nobel Prize in Physiology or Medicine. Photographed in 1929.

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