Yet the Modern has offered only intermittent support for contemporary work of substance.
This review discusses research on behavioural addictions (i.e. associative learning, conditioning), with reference to contemporary models of substance addiction and ongoing controversies in the behavioural addictions literature.
They also both relate to issues in contemporary philosophy of substance, in which Locke's influence is almost as important as Aristotle's.
Many of the contemporary issues of substance abuse, law and order problems and the high suicide rate have been attributed in part to this absence of culture.
Contemporary theoretical models of substance dependence posit that deficits in inhibitory control play an important role in substance dependence.
Our contemporary understanding of chemical substances is elemental and atomic: All substances are composed of atoms of elements such as hydrogen and oxygen.
Hollingworth compiled his studies in a 1912 book that used a contemporary spelling for the substance: "The Influence of Caffein on Mental and Motor Efficiency".
As he writes in the liner notes, "imitating Parker is of no consequence... but developing new perspectives upon tradition is the substance of contemporary expression".
Working with her own collection of about 400 hats and headdresses, she selected 104 mostly contemporary examples that possess narrative substance and reflect a global perspective.
Descartes went so far as to claim (in accordance with contemporary church doctrine) that this substance was an immortal soul that survived the dissolution of the body.
