Virtual Reality Environment (IMAGE) Cell Press Caption The experimental setup. (A) Outside view of the Cave Automatic Virtual Environment (CAVE) device during experimentation. (B) Third-person perspective on the forest glade and the two bridge piers with the plank. (C) First-person perspective in the height context. (D) Wireframe with specifications of the area (red) for which the time was determined that the head was bent beside the plank. (E) The vertically deflecting physical plank onto which the virtual plank was projected. (F) First-person perspective in the ground context. Credit <i>Heliyon</i>, Dobricki et al. Usage Restrictions Credit Required License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.