The Expression of the Emotions in Man and Animals allows cultural factors only an auxiliary role in the shaping of expression. This biological emphasis leads to an appreciation of the universal nature of expression, with its implication of a single origin for the entire human species; and Darwin points to the significance of emotional communication with children in their psychological development. Darwin sought out the opinions of some leading British psychiatrists, notably James Crichton-Browne, in the preparation of the book which forms his main contribution to psychology. Amongst the innovations with this book are Darwin's circulation of a questionnaire (probably inspired by his cousin, Francis Galton) in his preparatory
The Expression of the Emotions in Man and Animals West Yorkshire. Darwin corresponded intensively with James Crichton-Browne, the son of the phrenologist William A. F. Browne and now the medical director of the Wakefield asylum. At the time, Crichton-Browne was preparing his extremely influential "West Riding Lunatic Asylum Medical Reports", and Darwin remarked to him that "The Expression" "should be called by Darwin "and" Browne". Darwin also drew on his personal experience of the symptoms of bereavement and studied the text of Henry Maudsley's 1870 Gulstonian lectures on "Body and Mind". He considered other approaches to the study of emotions, including their depiction in the arts – discussed by