Behavioral neuropsychology presents at once achallenge and an opportunity for the field ofbehavior analysis. A great diversity of problem areas-including education, classroom management, child rearing, retardation, and industry have been treated effectively by the behavior analytic approach, which has traditionally and quite deliberately chosen to deemphasize physiology and cognitive variables. Yet brain injury, by its nature, entails neurological insult that is often closely related to specific cognitive dysfunctions. The challenge for behavior analysis is to develop effective treatments for...