A learning-based control architecture for an assistive robot providing social engagement during cognitively stimulating activities
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Bibliographic record
Abstract
Recent studies have shown that sustained engagement in cognitively stimulating activities has had positive effects on the cognitive functioning of humans. The objective of our work is to develop an intelligent socially assistive robot that can engage individuals in person-centered cognitively stimulating activities. In this paper, we present the design of a novel learning-based control architecture that enables the robot to act as a social motivator by providing assistance, encouragement and celebration during the course of an activity. A hierarchical reinforcement learning (HRL) approach is used to provide the robot with the ability to: (i) learn appropriate assistive behaviors based on the structure of the activity and (ii) personalize the interaction based on the person's affective state during the activity. Preliminary experiments show that the proposed learning-based control architecture is effective in determining the optimal assistive behaviors of the robot during a memory game interaction.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it