Advances in animal models of relapse for addiction research / Friedbert Weiss -- Application of chronic extracellular recording method to studies of cocaine self-administration : method and progress / L.L. Peoples, A.V. Kravitz, and K. Guillem -- Neurochemistry of addiction : monitoring essential neurotransmitters of addiction / Stefan G. Sandberg and Paul A. Garris -- Alcohol craving and relapse prediction : imaging studies / Andreas Heinz. [et al.] -- Integrating behavioral and molecular approaches in mouse : self-administration studies / Danielle L. Graham and David W. Self -- Neuroeconomics : implications for understanding the neurobiology of addiction / Michael L. Platt. [et al.].