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. 2016 May 6;7:671. doi: 10.3389/fpsyg.2016.00671

FIGURE 1.

FIGURE 1

Paradigm. (A) Schematic drawing of the vestibular sled. (B) Top view of the experimental setup. Subjects performed a spatial updating task with world-fixed (top) and body-fixed (bottom) targets. Using a sled-mounted fixation, a target was flashed, resulting the percept shown in the top left inset. After displacement, either 180, 90, or 45 mm subjects indicated where the remembered target was (dotted circle). This was generally underestimated in the world-fixed condition (compare with filled dots, the actual location). (C) Motion profiles of the large (180 mm), medium (90) and small (45) displacements. (D) Example of condition block order. W, world-fixed; B, body-fixed. Conditions alternated every two or three blocks and started with either world or body-fixed targets.