J Neurol Neurosurg Psychiatry 2002;73:303 303 J Neurol Neurosurg Psychiatry: first published as 10.1136/jnnp.73.3.303 on 1 September 2002. Downloaded from HISTORICAL NOTE........................................................................................... Thomas Laycock (1812–1876) mong medical historians, Thomas diseases.6 The concept probably anticipates containing one volume on philosophy, one on Laycock1 is best known for his deter- modern ideas of biological clocks and diurnal physiology. mining influence on the young Hugh- rhythms. He wrote articles on hysteria and on A 7 JMS Pearce lings Jackson. Laycock’s interests were the reflex function of the brain, and systemic 23 8 304 Beverley Road, Anlaby, Hull HU10 7BG; nervous system and psychology. disorders.
[email protected] Thomas Laycock was the son of a Wesleyan Following Robert Whytt, and Marshall Hall, minister. In Bedale, a pretty Yorkshire village Laycock emphasised that the nervous system References just one mile off the Great North road (A1), he must be seen as one continuous series of 1 MacLeod K. [Thomas] Laycock. Glasgow: trained as an apprentice surgeon-apothecary. structures obeying one law, that of the Macdougall, 1908. He attended the University College, London, reflex.9 2 Pitman J. Thomas Laycock. Proc R Coll Physicians Edinb 1992;22:384–9. furthering his training in Paris for two years, He extended the studies of Johann August 3 Anon. Thomas Laycock (1812–1876). Mental under Alfred Armand Velpeau (1795–1867) Unzer (1727–1799) and Jirí Procháska (1749– physiologist, medical psychologist. JAMA and the pathologist, Pierre Louis (1787–1872) 1820), which he translated.10 Unzer’s book 1968;205:301–2 an initiator of statistics.