JRM Vol.33 No.4 pp. 784-803
doi: 10.20965/jrm.2021.p0784


Use of Robotic Pet in a Distributed Layout Elderly Housing with Services: A Case Study on Elderly People with Cognitive Impairment

Yoko Hori*1, Ken Kato*2, Mia Kobayashi*3, Yuriko Inoue*4, Kecheng Lai*5, Akitaka Sugishita*6, Yoshihiro Okamoto*7, Satoko Kamiya*8, and Takanori Shibata*9,*10,*11

*1Happy-Net Association
  2-14-1 Nagono, Nishi-ku, Nagoya, Aichi 451-0042, Japan

*2Aichi Shukutoku University
  2-9 Katahira, Nagakute, Aichi 480-1197, Japan

*3Wayo Women’s University
  1-12-11 Kudankita, Chiyoda-ku, Tokyo 102-0073, Japan

*4International University of Health and Welfare
  4-1-26 Akasaka, Minato-ku, Tokyo 107-8402, Japan

*5Japan Advanced Institute of Science and Technology
  1-1 Asahidai, Nomi, Ishikawa 923-1292, Japan

*6Nagoya University Hospital
  65 Tsurumai, Shouwa-ku, Nagoya, Aichi 466-8560, Japan

*7School of Policy Studies, Chukyo University
101-2 Yagoto-honmachi, Showa-ku, Nagoya, Aichi 466-8666, Japan

*8Nagoya University of Arts and Sciences
4-1-1 Sannomaru, Naka-ku, Nagoya, Aichi 460-0001, Japan

*9National Institute of Advanced Industrial Science and Technology
1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan

*10Tokyo Institute of Technology
4259 Nagatsuta, Midori-ku, Yokohama, Kanagawa 226-8503, Japan

*11AgeLab, Massachusetts Institute of Technology
1 Amherst St., Cambridge, MA 02142, USA

February 20, 2021
April 22, 2021
August 20, 2021
robotic pet, PARO, BPSD, CDBD-13, KJ method
Use of Robotic Pet in a Distributed Layout Elderly Housing with Services: A Case Study on Elderly People with Cognitive Impairment

Sunbathing of PARO by subject No.8

In recent years, robotic pets have been used by many countries worldwide as a method for treating behavioral and psychological symptoms of dementia (BPSD). The seal robot PARO was loaned intermittently to a distributed layout elderly housing with services over a seven-month period, during which it was observed that three residents with cognitive dysfunctions showed improvements in their BPSD and the nursing care load of the staff was reduced during the periods when PARO was present. The objective of this study is to investigate, through a case study, the effects of intermittent interaction with PARO on those with cognitive dysfunctions and the staff workers. The short version of the Dementia Behavior Disturbance Scale (DBD-13) was used as the medical outcome index, and the KJ method was used to analyze the qualitative data, such as staff reports and interviews. The results show that the DBD-13 total scores reduced during the periods when PARO was present and increased during the periods when PARO was absent. The KJ method yielded similar findings. The use of DBD-13 and the KJ method complemented the results of each other and increased the persuasive power of the findings. By using the KJ method, it was further determined that the workload of the staff was reduced, allowing them to recuperate, which reconfirmed the value of PARO. Further case studies will be undertaken in the future with the aim of constructing a methodology for implementing case studies.

Cite this article as:
Yoko Hori, Ken Kato, Mia Kobayashi, Yuriko Inoue, Kecheng Lai, Akitaka Sugishita, Yoshihiro Okamoto, Satoko Kamiya, and Takanori Shibata, “Use of Robotic Pet in a Distributed Layout Elderly Housing with Services: A Case Study on Elderly People with Cognitive Impairment,” J. Robot. Mechatron., Vol.33, No.4, pp. 784-803, 2021.
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Last updated on Sep. 24, 2021