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. Author manuscript; available in PMC: 2011 Jul 12.
Published in final edited form as: J Cogn Neurosci. 2007 Aug;19(8):1275–1285. doi: 10.1162/jocn.2007.19.8.1275

Figure 1.

Figure 1

Schematic depictions of stimulus displays. In Unoccluded trials (left) a visual target translated repetitively from left to right on a constant linear trajectory. In Occluded trials (center) a portion of the target’s trajectory was hidden via gradual deletion of the target by a virtual occluding surface, and revealed via gradual accretion. In Shrinking trials (right) the target disappeared by imploding and reappeared by expanding on the other side. In all three types of display, a set of gray, vertical dotted lines defined a central rectangle; the rectangle defined the space in the Occluded and Shrinking conditions where the target was concealed and revealed.