Retraction note to: Psychopharmacology 190(1):103–115

DOI 10.1007/s00213-006-0582-1

The National Institutes of Health has found that Dr. Jagadeesh S. Rao engaged in research misconduct by falsifying data in this article. Data in in Figures 4A-B were falsified. Therefore, Dr. Stanley I. Rapoport has requested a full retraction.