Karl Kuno Thure Freiherr von Uexküll (March 15, 1908, Heidelberg – September 29, 2004, Freiburg) was a German scholar of psychosomatic medicine and biosemiotics. He developed the approach of his father, Jakob von Uexküll, in the study of living systems and applied it in medicine.
His mother was Gudrun Baroness von Uexküll (Gräfin von Schwerin).
Biosemiotics (from the Greek βίος bios, "life" and σημειωτικός sēmeiōtikos, "observant of signs") is a field of semiotics and biology that studies the prelinguistic meaning-making, biological interpretation processes, production of signs and codes and communication processes in the biological realm.
Biosemiotics integrates the findings of biology and semiotics and proposes a paradigmatic shift in the scientific view of life, in which semiosis (sign process, including meaning and interpretation) is one of its immanent and intrinsic features. The term biosemiotic was first used by Friedrich S. Rothschild in 1962, but Thomas Sebeok, Thure von Uexküll, Jesper Hoffmeyer and many others have implemented the term and field. The field is generally divided between theoretical and applied biosemiotics.
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