1798 Alexander Crichton writes: The incapacity of attending with a necessary degree of constancy to any one object, almost always arises from an unnatural or morbid sensibility of the nerves, by which means this faculty is incessantly withdrawn from one impression to another. It may be either born with a person or it may be the effect of accidental diseases.”
In his Book : An inquiry into the nature and origin of mental derangement : comprehending a concise system of the physiology and pathology of the human mind and a history of the passions and their effects.
1902 Sir George Frederick Still (1868-1941) The father of British pediatrics
He wrote “I would point out that a notable feature in many of these cases of moral defect without general impairment of intellect is a quite abnormal incapacity for sustained attention.
He concluded: “there is a defect of moral consciousness which cannot be accounted for by any fault of environment” When Still was talking about Moral Control, he was referring to it as William James had did before him, but to Still, the moral control of behavior meant “the control of action in conformity with the idea of the good of all”