Anxiety Reduction Through Close Communication with Robotic Media in Dementia Patients and Healthy Older Adults
Ryuji Yamazaki*, Hiroko Kase**, Shuichi Nishio*, and Hiroshi Ishiguro***
*Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, Osaka University
J205, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
**Faculty of Human Sciences, Waseda University
2-579-17 Mikajima, Tokorozawa-shi, Saitama 359-1192, Japan
***Department of Systems Innovation, Graduate School of Engineering Science, Osaka University
1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
The purpose of this paper is to provide an overview of the recent research on android robotic media with a focus on its effects on older adults and to present a discussion on the implications of the experimental results. Social isolation of older adults is a leading issue in healthcare. Patients with dementia experience symptoms, such as agitation, which can result in increasing care burden. Android robotic media have been shown to provide a feeling of safety and communication support to older adults. In previous case studies, an increase in prosocial behaviors was observed in participants with dementia; however, the media effects needed to be measured by assessment scales. The current results indicate the effects of robotic media on dementia symptoms, especially the decrease in patients’ anxiety. As demonstrated in another experiment, anxiety reduction can also be expected in healthy older adults; however, certain conditions may be required for both healthy older adults and those with dementia. Key factors for the media effect, namely, dementia type, user’s personality, and personalized dialogue are taken into consideration for the further development of robotic systems. Additionally, we further discuss the significance of long-term data collection, especially from the early life stages because teleoperation or autonomous systems are expected to utilize information that can affect the effect of robotic media.
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