1
Department of Cellular & Molecular Pharmacology Finch University of Health Sciences The Chicago Medical School North Chicago, Illinois, USA
francis.white@finchcms.edu
2
Department of Neurobiology and Physiology Northwestern University Evanston, Illinois, USA
d-cooper2@nwu.edu
Drug addiction is a major therapeutic challenge, as little is known about the changes in neural function that occur during its development. DNA microarray analysis has revealed a new component in the dopamine-receptor−signaling cascade that may contribute to the neural and behavioral plasticity associated with addiction.