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Therapist-Patient Interactions in Task-Oriented Stroke Therapy can Guide Robot-Patient Interactions

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Abstract

Autonomous and semi-autonomous robots have been increasingly proposed as social and therapy assistants for neurorehabilitation after traumatic and non-traumatic brain injury. Unfortunately, current robot-patient interactions do not accurately model therapist-patient interactions in task-oriented stroke rehabilitation and therefore may fall short of being clinically effective. In this study, we coded and analyzed 8 videos each showing an occupational therapist interacting with a stroke patient in common activities of daily living settings. We propose that a model of the interaction between a patient and a therapist can be overlaid on a stimulus-response paradigm where the therapist and the patient take on a set of acting states or roles and are motivated to move from one role to another when certain physical or verbal stimuli or cues are sensed and received. We discuss how observed roles and cues can be mapped to current and future examples of robot-patient interactions and implications if such a robot was realized.

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Data Availibility

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

The Department of Physical Medicine and Rehabilitation at the University of Pennsylvania funded this work. We also want to thank our coders, Lucas Adair and Sarah Laskin. We thank the International Educators Inc. for allowing us to use the videos.

Funding

This study was funded by the University of Pennsylvania, department of physical medicine and rehabilitation (internal grant).

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Correspondence to Michelle J. Johnson.

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MJJ has received research grants from the National Institute of Health (NIH), National Science Foundation (NSF), and American Heart Foundation. MJJ and RM are co-founders of a start-up called Recupero Robotics. RM has received funding from Administration for Community Living National Institute on Disability, Independent Living. MM was a graduate student at UPenn at the time this work was done and had no conflict of interest. She is now a PhD student in Germany and still has no conflict of interest.

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Johnson, M.J., Mohan, M. & Mendonca, R. Therapist-Patient Interactions in Task-Oriented Stroke Therapy can Guide Robot-Patient Interactions. Int J of Soc Robotics 14, 1527–1546 (2022). https://doi.org/10.1007/s12369-022-00881-2

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