Abstract Posing the question of the possibility of transference at the moment of a decompensation, the author proposes rethinking the psychiatric concept of “unmotivated laughter” in light of psychoanalytic experience, taking a case study as a point of departure. In the present research, the intention is to understand the rule of laughter outside the conception of the joke (Witz), by tracing the trajectory of the conceptualization of laughter from Freudian to Lacanian psychoanalysis. This review is needed in order to understand an experience of interpretation of laughter at the time of a decompensation in the schizophrenia of an adolescent, in which (un)motivated laughter formed a symptom. “Jouissance-laughter” necessitates changing the psychiatric understanding of laughter in schizophrenia, where its motivation is not what is comical in the here-and-now. In this laughter, the humorous or comic response of the clinician becomes an interpretation.

中文翻译：

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从（无）动机的笑声到无礼的笑声：大笑机器

摘要 针对失代偿时移情的可能性问题，作者以案例研究为出发点，从精神分析的经验出发，重新思考“无动机的笑”的精神病学概念。本研究旨在通过追溯从弗洛伊德到拉康精神分析的笑概念化轨迹，理解笑话概念（维茨）之外的笑的规律。为了了解青少年精神分裂症失代偿时对笑声的解释，需要进行本综述，在这种情况下，（无动机的）笑声形成了一种症状。 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “欢乐大笑”需要改变精神分裂症患者对大笑的理解，它的动机不是此时此地的可笑之处。在这笑声中，临床医生的幽默或滑稽的反应变成了一种诠释。