Juggling Extra Limbs

Juggling Extra Limbs: Identifying Control Strategies for Supernumerary Multi-Arms in Virtual Reality

This paper explores how users coordinate supernumerary virtual and real arms to perform complex tasks in VR. Through a study with 14 participants using a Wizard-of-Oz setup, qualitative and quantitative data were collected on control strategies, task performance, and embodiment. Findings show that users adapt their control methods based on task complexity and system intelligence, influencing task management and embodiment experience. The study concludes with guidelines to enhance multi-arm interaction design in future applications.

Presentation

Reference

@inproceedings{10.1145/3706598.3713647,
  author = {Zhou, Hongyu and Kip, Tom and Dong, Yihao and Bianchi, Andrea and Sarsenbayeva, Zhanna and Withana, Anusha},
  title = {Juggling Extra Limbs: Identifying Control Strategies for Supernumerary Multi-Arms in Virtual Reality},
  year = {2025},
  isbn = {9798400713941},
  publisher = {Association for Computing Machinery},
  address = {New York, NY, USA},
  url = {https://doi.org/10.1145/3706598.3713647},
  doi = {10.1145/3706598.3713647},
  booktitle = {Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems},
  articleno = {1156},
  numpages = {16},
  keywords = {Embodied Interaction, Virtual/Augmented Reality, Empirical study that tells us about how people use a system, Interaction Design},
  series = {CHI '25}
}

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