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n. in the thought of German philosopher Martin Heidegger (1889–1976), that aspect of Dasein (being-in-the-world) that is constituted by a person’s relationship to the self. The term was introduced into the vocabulary of psychology chiefly through the work of Swiss existential psychologist Ludwig Binswanger (1881–1966). Compare Mitwelt; Umwelt. [German, literally: “own world”]

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Psychology term of the day

March 3rd 2024

nervous breakdown

nervous breakdown

a lay term for an emotional illness or other mental disorder that has a sudden onset, produces acute distress, and significantly interferes with one’s functioning. Also called nervous prostration.