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Updated: Dec 12, 2025

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
Published on: January 7, 2019
Measures of agency
Thor Grünbaum1, Mark Schram Christensen2
1Section for Philosophy, University of Copenhagen, Karen Blixens Plads 8, DK - 2300 Copenhagen S, Denmark.
This study challenges the unified view of the sense of agency, proposing four distinct psychological constructs. Recognizing these constructs is crucial for accurate experimental design in agency research.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Philosophy of Mind
Background:
- The sense of agency, the feeling of controlling actions and their outcomes, is often treated as a singular concept.
- Existing research frequently assumes a unified construct, potentially limiting experimental scope and interpretation.
Purpose of the Study:
- To challenge the assumption of a single, unified sense of agency.
- To propose the existence of four distinct agency-related psychological constructs.
- To highlight the importance of aligning experimental methods with specific agency constructs.
Main Methods:
- Conceptual analysis of the sense of agency literature.
- Theoretical argumentation for multiple agency constructs.
- Identification of potential misalignments between theory and experimental practice.
Main Results:
- The sense of agency is not a monolithic construct but comprises at least four distinct psychological constructs.
- Current experimental paradigms may only capture a subset of these constructs.
- A significant obstacle in agency research is the unacknowledged mismatch between theoretical constructs and experimental procedures.
Conclusions:
- Acknowledging four distinct agency constructs is essential for advancing the field.
- Future research must develop experimental paradigms that can specifically target and differentiate these constructs.
- This differentiation will enable a deeper understanding of the computational mechanisms underlying the sense of agency.
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