Thomas Laycock (physiologist)
Thomas Laycock FRSE FRCPE (10 August 1812 – 21 September 1876) was an English physician and neurophysiologist who was a native of Bedale near York. Among medical historians, he is best known for his influence on John Hughlings Jackson and the psychiatrist James Crichton-Browne. Laycock's interests were the nervous system and psychology; he is known as one of the founders of physiological psychology. He was the first to formulate the concept of reflex action within the brain, and is also known for his classification of mental illnesses.