Affiliation: | 1. Catholic University of Eichstätt, Ostenstrasse 26, 8833 Eichstätt, F.R.G.;1. Department of Psychology and Neuroscience, Center for Neuroscience, University of Colorado Boulder, Boulder, CO 80309, USA;2. University of Texas at Austin, Division of Pharmacology and Toxicology, Austin, TX 78712, USA |