公共廁所不只是市政建設關心的公用設施，也是體現個人主體性的公共場域。本論文試圖從公共廁所的空間情境和個人如廁的身心處境出發，分別以由下而上與由內而外的分析視角，對公廁的客體環境進行都市空間的心理分析，同時也對日常排泄的身心處境提出地理學的空間理論。
在理論基礎部份，本研究主要是奠基在克莉斯蒂娃的賤斥理論之上，輔以密櫃、滲漏及活歷等身體空間概念，建構出空間的精神分析與身體的心理地理學概念架構。在研究設計部份，本研究透過台北市公共廁所的分類觀察，以及針對公廁設計、管理、使用、清潔等不同對象的焦點團體與個別訪談，歸納出營造公廁空間的建築文本和使用／維護公廁空間的身體文本，作為分析公廁情境與如廁處境的微地理學經驗文本。
論文最後將研究發現依照賤斥理論的三階段過程，逐一探討公廁空間情境與如廁身心處境中混雜渾沌、排除淨化以及象徵劃界的各種賤斥面向，亦即以吸納、排斥與分離的驅力觀點，解釋身體、心理與空間的賤斥過程，並以跨界／劃界的流動邊界詮釋過程主體的重建。然而，在建築文本與身體文本的分析過程中，本論文也發現隱藏在公廁清潔者身上的遺失文本，她／他們以清潔劃界的跨界參與不斷縫合公廁空間情境與如廁身心處境之間的罅隙，成為既是主體又為客體的賤斥體，連結公廁各文本間的賤斥關係。

The public toilets are not only the city facilities for public convenience, but also a public field that embodies the very personal domain of subjectivity. This thesis attempts to construct a geographical explanation of the psychological process of subjectivity while conducting a psychoanalysis on the urban space of public toilets.
Based on Julia Kristeva’s theory of abjection, and other concepts such as close(t) body/space, leaky body/space, and lived body/space, this research develops a conceptual framework of psychogeography. In order to put this theory into practice, the methods of group and individual interviews with the users, designers, administers, and cleaners of public toilet are used along with a systematic observation of different types of public toilets in Taipei. Two types of texts are created as the materials of analysis: the archi-text and the body-text of public toilets that highlight the microgeographies of toileting.
Following the three stages of abjection theory, this thesis discusses the embodiment of abjection in details, focusing on the messiness of chora, the exclusive purification and symbolic demarcation across toilet space and body situation. It suggests that, from the drive of absorption, repulsion and demarcation, we can better understand the abject process between bodies, minds and spaces. Moreover, we can reconstruct the subject-in-process from the fluid boundaries of demarcation and transgression. Last but not the least, apart from the archi-text and body-text, this research recovers the missing-text embedded in the body dynamics of the cleaners. As both the subject- and object- bodies of abjection in process, they constantly bridge the abject gaps between toilet spaces and toileting bodies.

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中文部分：
Greed, C.（2005）。《全方位城市设计：公共厕所》（Inclusive Urban Design: Public Toilets）（屈鸣、王文章译）。北京：机械工业出版社。
Kristeva, J.（2003）。《恐怖的力量：一個賤斥的文本》（Pouvoirs de l’Horreur: Essai sui l’Abjection）（彭仁郁譯）。台北縣新店市：桂冠出版社。
Young, I. M.（2007）。《像女孩那樣丟球：論女性身體經驗》（On Female Body Experience: “Throwing like A Girl” and Other Essays）（何定照譯）。台北：商周出版社。
西川直子（2002）。《克里斯托娃：多元逻辑》（クリステヴア : ポリロゴス）（王青、陈虎译）。石家庄市：河北教育出版社。
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