The recording of electrical discharges from single nerve fibres provided the foundational evidence for the all-or-none law of nerves. This work by Edgar Douglas Adrian, an English physiologist based at Trinity College, Cambridge, established the physical basis for sensory perception. His experimental findings fundamentally transformed the understanding of how nervous impulses translate physical stimuli into brain signals.
Early Education and Clinical Training
Born in Hampstead in 1889, Adrian attended Westminster School before enrolling at Trinity College, Cambridge. He completed his graduation in 1911 and earned election to a fellowship at Trinity in 1913, reflecting his early dedication to investigating the electrical properties of nerves. During the First World War, he transitioned into clinical practice at St Bartholomew's Hospital in London, where he treated soldiers suffering from nerve damage and various nervous disorders.
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Returning to Cambridge, he completed his MD in 1919 and began intensive research into human sensory organs using electrical methods. Building upon the studies of Keith Lucas, Adrian employed cathode-ray tubes and capillary electrometers to observe nerve activity. In 1928, he demonstrated that while the intensity of skin excitation decreases under constant stimulus, the frequency of sensory impulses along the nerves remains measurable, eventually diminishing the resulting brain sensation. These findings were expanded in his publications including The Basis of Sensation and The Mechanism of Nervous Action.
Academic and Public Leadership
Adrian held significant administrative and academic positions throughout his career. He served as the Foulerton Professor from 1929 until 1937, followed by a tenure as Professor of Physiology at the University of Cambridge until 1951. His leadership extended to the Royal Society, where he served as president between 1950 and 1955. Subsequently, he acted as Master of Trinity College from 1951 to 1965 and Chancellor of the University of Cambridge from 1967 to 1976. He also served as a member of the House of Lords from 1955 until his death in 1977.
Fast facts
- Born: 1889, Hampstead
- Died: 1977, Cambridge
- Nobel Prize in Physiology or Medicine: 1932
- Order of Merit: 1942
- Copley Medal: 1946
- President of the Royal Society: 1950-1955
- Chancellor of the University of Cambridge: 1967-1976
- Buried: Trinity College Chapel
Questions readers ask
What major award did Edgar Douglas Adrian receive for his work on neurons?
He was awarded the 1932 Nobel Prize in Physiology or Medicine, which he shared with Sir Charles Sherrington.
Where did Adrian conduct his primary research?
He conducted the majority of his electrophysiological research at the University of Cambridge.
Achievements
- Fellow of the Royal Society
- Nobel Prize in Physiology or Medicine — 1932
- Copley Medal — 1946
- Royal Medal — 1934
- Albert Medal — 1953
- Held posts at University of Cambridge
- Fields: electrophysiology
