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Application of a Tactile Way-Finding Device to Facilitate Navigation in Persons With Dementia

Application of a Tactile Way-Finding Device to Facilitate Navigation in Persons With Dementia. 發表者 :Lawrence E. M. Grierson, John Zelek, Isabel Lam, sandra E. Black, Heather Carnahan 發表於 : Assistive Technology vol. 23 pp. 108-115 (2011). 引言. Zelek&Holbein 於 2008 年發表了一項新的導航設備

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Application of a Tactile Way-Finding Device to Facilitate Navigation in Persons With Dementia

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  1. Application of a Tactile Way-Finding Device to Facilitate Navigation in Persons With Dementia 發表者:Lawrence E. M. Grierson, John Zelek, Isabel Lam, sandra E. Black, Heather Carnahan 發表於: Assistive Technologyvol. 23 pp. 108-115 (2011)

  2. 引言 • Zelek&Holbein於2008年發表了一項新的導航設備 • 一項實驗中,高齡者與年輕人使用此導航設備皆可準確地到達目的地(Grierson et al.,2009) • 欲將此設備的功能擴展,看是否也能運用在失智症患者身上

  3. 受測者介紹

  4. 實驗設備

  5. 實驗方法 • 實驗時間為醫院平常營業時間 • 導航腰帶可提供前後左右四個方位的指示 • 每個受測者皆做四次實驗,每次實驗路徑皆不同 • 實驗路徑大約150公尺,共會有六次指示,每個指示皆在十字路口 • 受測者每次一走錯會立即告訴她,並詢問走錯的原因

  6. 實驗結束後的問題 1.導航腰帶的使用的簡單程度(1非常難5非常簡單) 2.導航腰帶的舒適度(1非常不舒適5非常舒適) 3.當沒穿戴導航腰帶時你的信心度是多少(1非常沒信心5非常有信心) 4.當穿戴導航腰帶時你的信心度是多少(1非常沒信心5非常有信心) 5.這個腰帶的有用程度是多少(1非常沒用5非常有用)

  7. 受測實驗中斷 • 兩個受測者未完成實驗 • 受測者8對接收到的觸覺訊息不是很了解 • 受測者10一開始都沒有錯誤,但後來表示非常疲累

  8. 結果 • 導航腰帶使用容易度(4.9±0.3) • 導航腰帶的舒適度(4.5±1.0) • 沒穿戴導航腰帶時信心度(4.9±0.9) • 有穿戴導航腰帶時信心度(4.7±0.6) • 腰帶的有用程度(4.5±0.7) • Errors and MMSE score(r = -0.56, n = 10, p = 0.095) • Errors and JLOT score(r = -0.77, n = 6, p = 0.074) • Errors and Rey Copy score(r = -0.79, n = 4, p = 0.214)

  9. 結論 • 由於前面文獻提到失智症患者容易注意力不集中(Bradshaw et al.,2006)且在實驗中所有受測者的錯誤都是對腰帶的不注意,所以應該對此設備增加更多能夠提高注意力的設計 • 失智症較為嚴重的受測者無法很明確了解震動訊息,所以受測者在失智前期即開始使用設備,或許可以解決這個問題。

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