Prism exposure produces 2 kinds of adaptive response. Recalibration is ordinary strategic remapping of spatially coded movement commands to rapidly reduce performance error. Realignment is the extraordinary process of transforming spatial maps to bring the origins of coordinate systems into correspondence. Realignment occurs when spatial discordance signals noncorrespondence between spatial maps. In Experiment 1, generalization of recalibration after effects from prism exposure to post exposure depended upon the similarity of target pointing limb postures. Realignment after effects generalized to the spatial maps involved in exposure. In Experiment 2, the 2 kinds of after effects were measured for 3 test positions, one of which was the exposure training position. Recalibration after effects generalized non-linearly, while realignment after effects generalized linearly, replicating Bedford (1989, 1993a) using a more familiar prism adaptation paradigm. Recalibration and realignment require methods for distinguishing their relative contribution to prism adaptation.