The Expression of the Emotions in Man and Animals the issues at play, writing: "The force of language is much aided by the expressive movements of the face and body" - hinting at a neurological intimacy of language with psychomotor function (body language),and underscoring the social value of expression. Darwin's Sources on Emotional Expression: Darwin had listened to a discussion about emotional expression at the Plinian Society in December 1826 when he was a medical student at Edinburgh University. This had been prompted by the publication of Sir Charles Bell's "Anatomy and Philosophy of Expression"; and in his presentation, the phrenologist William A.F. Browne (in a spirited account of
The Expression of the Emotions in Man and Animals initial correspondence with the psychiatrist James Crichton-Browne Darwin set aside his material concerning emotional expression in order to complete "The Descent of Man", which covered human ancestry and sexual selection. Darwin concluded work on "The Descent of Man" on 15 January 1871. Two days later, he started on "The Expression of the Emotions" and, on 22 August 1872, he finished work on the proofs. In this book, Darwin brings his evolutionary theory into close approximation with behavioural science, although many Darwin scholars have remarked on a kind of spectral Lamarckism haunting the text of the "Emotions". Universal Nature of Expression: