背景與目的：「失智症咖啡」是⼀種同時對失智者與家庭照顧者提供「⽣活促進服務」的新型態失智症服務，目前已普及於荷蘭、日本等國家並有數篇聚焦於成效及服務內涵的研究被發表，然⽽有關其環境設計的探討卻相對缺乏。本研究以描述失智者個體與外在環境關係的「壓⼒閾值漸進降低模式」（PLST Model）作為立論基礎，擴充其在環境設計的概念及應用，形塑適用於失智症咖啡的環境設計原則。研究⽅法：透過田野調查了解台灣失智症咖啡的基本設置資訊，接著參照 PLST Model 的調整策略統整具有實證基礎的設計⼿法，再以層級分析法將環境需求系統化地整理並邀請相關學者進⾏專家效度檢定，完成失智症咖啡環境設計的建構。最後將前述設計原則轉為檢核項目並且實地⾄失智症咖啡進⾏對照，了解環境現況與專家建議的差異項目與原因。研究範圍與對象：台灣本⼟的失智症咖啡及其經營規劃者。研究結果：失智症咖啡環境設計的六⼤設計要點包含 (1)在各個空間分別提供與該區機能相應的物件; (2) 提供可讓數名使用者共同使用的互動物件; (3) 在廁所及烹調區提供換氣設備; (4) 提供主要活動區以外可協助家屬看照失智者的空間分區; (5) 徹底排除動線上的障礙物（電線、堆積的雜物等）; (6) 提供可替代家屬暫時看視失智者的空間分區。研究結論：建議失智症咖啡環境設計可從（1）六⼤面向包含支援自立、引導互動、排除不良刺激、提供教育、保障安全及提供支持進⾏檢視; 欲進⾏先期規劃或現有空間評估改善時，各面向下權重值最⼤者可視為（2）⼀級空間設計指標，優先做整備。研究限制：本研究之研究對象為失智症咖啡的經營規劃者，無從得知參與者對環境的使用體驗。

Environmental assessment tools for dementia care facilities have placed a great value on environmental adjustments as a design guideline. This study aimed to make a considerate dementia cafés based on the PLST model. To construct the design principles of dementia cafés, an analysis of the literature review and a focus group discussion was carried out. Six dimensions in the environmental design of dementia cafés have been summed up by eight experts through a questionnaire using AHP methods. The design principles may become a reference material for the staff members when thinking out an environmental issue in dementia cafés.

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