====== 1824 ====== [[1823]]-[[1825]] As early as [[1783]], Monro, Kellie in 1823, and other investigators advanced the notion that the volume of the brain is constant ((Monro A ([[1783]]). Observations on the structure and function of the nervous system. Edinburgh: Creech & Johnson.)) (( Kellie G ([[1824]]). "Appearances observed in the dissection of two individuals; death from cold and congestion of the brain". Trans Med Chir Sci Edinb. 1: 84–169.))