Video abstract · 5 min · eLife

Which way is up?

A narrated explainer of how the brain uses gravity, the visual scene and the body to search a tilted world. Based on Chen & Xu, “Allocentric and egocentric cues constitute an internal reference frame for real-world visual search.” This video was created with Claude Opus 5.5. Licensed under CC BY-NC-ND 4.0.

@article{chen2025,
  title={Allocentric and egocentric cues constitute an internal reference frame for real-world visual search},
  author={Chen, Yan and Xu, Zhe-Xin},
  journal={eLife},
  year={2025},
  doi={10.7554/eLife.108310.1}
}