During World War One, the army founded and requisitioned hospitals specifically to treat those suffering from mental illness.
Maudsley hospital in London was one of these, and a 1915 act of parliament was passed to allow the hospital to accept voluntary patients suffering from shell shock. Patients received a short course of treatment which involved creative pastimes like carpentry and gardening designed.
As well as treating patients, early research was conducted into the puzzling symptoms of mental trauma. Dr Victoria Tischler, professor of behavioural sciences at the University of Nottingham, discusses the psychology of trauma, how it is diagnosed, and how creativity can provide a way of dealing trauma