. 2009 Feb 18;3:1. doi: 10.3389/neuro.09.001.2009
Copyright © 2009 Müller, Schlee, Hartmann, Lorenz and Weisz.
This is an open-access article subject to an exclusive license agreement between the authors and the Frontiers Research Foundation, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are credited.
Figure 1.
Illustration of a target trial used in the experiment.