In information theory and statistics, negentropy is used as a measure of distance to normality. The concept and phrase "negative entropy" was introduced by Erwin Schrödinger in his 1944 popular-science book What is Life?[1] Later, French physicist Léon Brillouin shortened the phrase to néguentropie (negentropy).[2][3] In 1974, Albert Szent-Györgyi proposed replacing the term negentropy with syntro