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Modified Door task. (A) Configuration of the task with all measurements in cm. A black high-contrast target, representing a darkened window or doorway, was randomly positioned at location A, B, or C. The target measured 54 × 70 cm (W × H) and the top-edge was approximately 2 meters above the floor. Participants started each trial at a random selection of starting points 1, 2, or 3. (B) Measuring fingertip distance to the target in the task.
