A survey method for identifying real support needs of people with early-stage dementia for designing assistive technology

Hirotoshi Yamamoto, Yasuyoshi Yokokohji, Hajime Takechi

Research output: Contribution to journalArticle

Abstract

In this paper, we propose a new interview method of eliciting needs for support completely and accurately from people with early-stage dementia for identifying their real needs, with the eventual objective of designing effective Assistive Technology. The interview procedure consists of the following steps: (1) entirely identifying tasks of a subject's everyday living, leisure and social activities (referred to, in all, as "social living activities"), (2) evaluating the subject's confusion levels (SCLs) about identified tasks based on the subject's self-rating, together with the caregiver's rating as a reference, and confusion level discrepancies (CLDs) are found, and (3) predicting the subject's support requirement levels (SRLs) about confusing tasks based on confusion levels followed by the subject's revision to thereby find SRL discrepancies (SRLDs). Subjects are asked to reconfirm SRL ratings associated with tasks having SRLDs and/or encouraged to raise the ratings of tasks having CLDs to accurately identify the subject's SRLs. Six subject-caregiver dyads were interviewed and 22 support needs, including 10 needs that were extracted by reconfirmation or encouragement, were elicited from four subjects. These elicited needs covered the entire social living scene from domestic affairs to social activities, showing that the proposed method was effective in systematically eliciting support needs from people with early-stage dementia. No support needs were elicited, however, from subjects with very little awareness of memory impairment, demonstrating one limitation of the proposed method.

Original languageEnglish
Pages (from-to)906-914
Number of pages9
JournalJournal of Robotics and Mechatronics
Volume25
Issue number6
Publication statusPublished - 01-12-2013
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Computer Science(all)
  • Electrical and Electronic Engineering

Cite this

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A survey method for identifying real support needs of people with early-stage dementia for designing assistive technology. / Yamamoto, Hirotoshi; Yokokohji, Yasuyoshi; Takechi, Hajime.

In: Journal of Robotics and Mechatronics, Vol. 25, No. 6, 01.12.2013, p. 906-914.

Research output: Contribution to journalArticle

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