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September 23, 2025

Quantifying Prosthetic Embodiment: Interactions Between Agency, Ownership, and Peripersonal Space in a Closed-Loop Sensorimotor Task

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Authors

KHKihun HongUniversity of California, DavisMGMomchil G. GavrilovUniversity of California, DavisPTPatrick Hau Don TrieuUniversity of California, Davis

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Implication

Experiment reveals how sensorimotor cues enhance sense of ownership and agency in prosthetic use, suggesting complex interdependencies.

Key Points

  • Explicit measures of ownership and agency were significantly enhanced during congruent tactile feedback, indicating that sensory input influences embodiment.
  • Intentional binding demonstrated time compression when using the prosthesis-like hand, highlighting a connection between perceived actions and outcomes.
  • Explicit ownership showed a strong positive correlation with explicit agency, suggesting that these elements are linked yet can operate independently.
  • PPS extended in response to the prosthesis, but the weak correlation with ownership indicates that spatial awareness may operate as a separate entity.

Cite This Study

Hong et al. (2025) studied this question.

synapsesocial.com/papers/68d4726431b076d99fa6b988https://doi.org/10.21203/rs.3.rs-7348715/v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Divergent response of explicit and implicit embodiment measures to prosthesis-relevant sensorimotor conditions2026
  2. 2Human bodies in virtual worlds: a systematic review of implicit sense of agency and ownership measured in immersive virtual reality environments2025 · 12 citations
  3. 3Sense of Embodiment Supports Motor Learning and Adaptation in Tele-Robotics2024 · 2 citations
  4. 4Study of the Influence of Visuo-Haptic Feedback on Prosthetic Embodiment2026
  5. 5Neural Correlates of the Embodied Sense of Agency2024