521521.fig.001a
(a)
521521.fig.001b
(b)
Figure 1: (a) A (2D) screen-shot showing the virtual intestine embedded in a virtual abdomen. Overlaid text provides additional feedback to the participant: amount of trials elapsed, time from the beginning of the trial and the accumulated time of touching the intestine’s wall. (b) the Virtual 3D collocated setup.