4.1 Article

A Minimal Design of a Human Infant Presence: A Case Study Toward Interactive Doll Therapy for Older Adults With Dementia

Journal

FRONTIERS IN ROBOTICS AND AI
Volume 8, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/frobt.2021.633378

Keywords

elderly dementia care; therapy robot; human-robot interaction; doll therapy; minimal design

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Funding

  1. JST CREST, Japan [JPMJCR18A1]

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A minimal design approach was used to create an infant-like robot named HIRO for emotional interactions with older adults with dementia. The recorded voice of a real human infant emitted by the robot enhances its human-likeness and promotes positive engagement with older adults. Despite no significant difference found between HIRO and a smiling-faced infant-like robot, a field study showed that HIRO was well accepted and stimulated positive interaction with older adults with dementia.
We introduce a minimal design approach to manufacture an infant-like robot for interactive doll therapy that provides emotional interactions for older people with dementia. Our approach stimulates their imaginations and then facilitates positive engagement with the robot by just expressing the most basic elements of humanlike features. Based on this approach, we developed HIRO, a baby-sized robot with an abstract body representation and no facial features. The recorded voice of a real human infant emitted by robots enhances the robot's human-likeness and facilitates positive interaction between older adults and the robot. Although we did not find any significant difference between HIRO and an infant-like robot with a smiling face, a field study showed that HIRO was accepted by older adults with dementia and facilitated positive interaction by stimulating their imagination. We also discuss the importance of a minimal design approach in elderly care during post-COVID-19 world.

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