With regard to the thought of Martin Heidegger, a German philosopher, the factor of casein which is constituted by someone's engagement with the world immediately surrounding their self. The terminology was posited into the vocabulary of psychology primarily through the work of Ludwig Binswanger, a Swiss existential psychologist.

UMWELT: "Be sure to preface yourselves with the chapter on umwelt concepts tonight in preparation for tomorrow's discussion."
Cite this page: N., Pam M.S., "UMWELT," in, April 29, 2013, (accessed March 2, 2021).