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. 2013 May 23;4:267. doi: 10.3389/fpsyg.2013.00267

Figure 4.

Figure 4

Experiment One results: mean Pr(“Bouncing”) responses for younger subjects (gray) and older subjects (yellow) in six conditions where the motion of the disks was ambiguous. The disks were accompanied by a sharp sound at the point of coincidence (diagonal hatching), or an opaque occluder of different durations that obscured the point of coincidence (horizontal hatching), or both a sound and an occluder (horizontal and diagonal hatching). Data are for 12 younger and 13 older subjects. Error bars are ±1 standard error of the mean.