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. 2012 Feb 22;7(2):e31530. doi: 10.1371/journal.pone.0031530

Figure 1. Experimental design.

Figure 1

(A,B) Apparatus. (C) Two eye-movement conditions. Each participant placed their chin on a support, kept their head stationary, and followed a visual target that moved on a semi-circular screen (free-eye-movement conditions) or fixated on a fixation point in front them (fixation conditions).