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. Author manuscript; available in PMC: 2016 Feb 16.
Published in final edited form as: Invest Ophthalmol Vis Sci. 2009 May 20;50(9):4509–4515. doi: 10.1167/iovs.08-2916

Figure 2.

Figure 2

Illustration of the experimental layout for one trial. Participants “walked” or “intended to walk” a zig-zag path in a virtual shopping mall corridor. Each trial consisted of one straight segment of the path. Obstacles appeared at variable offsets from the walking path. Participants reported whether they would make contact with the obstacles if they continued walking in the same direction (simulated-walk experiment), or were going to walk towards a marked direction (intended-walk experiment).