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The influence of advanced information on co-representation in a shared finger precuing task
Melanie Y Lam1,2, Daniel J Weeks3, Romeo Chua4
1Department of Human Kinetics, St. Francis Xavier University, Antigonish, NS, Canada. mlam@stfx.ca.
Experimental Brain Research
|July 2, 2025
Summary
Co-representation in joint action is not automatic. This study found that advanced information did not improve performance in a shared task, suggesting co-representation requires specific conditions to emerge.
Area of Science:
- Cognitive Psychology
- Social Cognition
- Human-Computer Interaction
Background:
- Effective joint action depends on co-representation, integrating individual tasks for a shared goal.
- The influence of advanced information on co-representation during shared tasks remains underexplored.
Purpose of the Study:
- To investigate how advanced information affects co-representation in a shared finger precuing task.
- To determine if a joint precuing effect emerges under different social and task conditions.
Main Methods:
- Participants performed a 4-choice finger precuing task, individually (Solo 4-Choice, S4C) and jointly (Joint 4-Choice, J4C).
- Experiments manipulated precue information, task complexity (Solo 2-Choice, S2C), and social proximity (face-to-face, side-by-side).
- Reaction times (RTs) were measured to assess the precuing effect and co-representation.
Main Results:
- The standard precuing effect was observed in individual tasks (S4C) but not in the joint task (J4C).
- Task complexity (S2C) and social arrangement (side-by-side) did not elicit a joint precuing effect.
- RTs were mainly influenced by stimulus-response alternatives and Go/NoGo context, not joint co-representation.
Conclusions:
- Co-representation is not an automatic outcome of shared tasks; it requires specific conditions to manifest.
- Advanced information does not inherently enhance co-representation in joint action settings.
- Future research should explore conditions like simultaneous actions and group-level representations for co-representation.
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