 He was a Pro-vice-chancellor of the University from 1921 to 1924, and served for a time as Dean of the Faculty of Medicine.On 4 August 1875 Caton reported to the British Medical Association in Edinburgh that he had used a galvanometer to observe electrical impulses from the surfaces of living brains in the rabbit and monkey.. After Caton died, Hans Berger was one of few to recognise his importance and cited him in his 1929 report on the discovery of Alpha waves.He wrote