 Other writers who were contemporary with Bradley and James took different approaches to the project of giving a deflationary explanation of attention. In Théodule Ribot’s 1888 book La Psychologie De L’Attention the attempt to explain attention took an approach that we would now classify as behaviourist. In 1888 behaviourism had not yet been established as a general approach in philosophical or psychological theories of the mind, but Ribot’s suggestion that attention’s behavioural manifestations are essential to it is nonetheless recognizable as an early articulation of behaviourism in a strong form: