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Negentropy measures the difference in entropy between a given distribution and the Gaussian distribution with the same mean and variance. Thus, negentropy is always nonnegative, is invariant by any linear invertible change of coordinates, and vanishes if and only if the signal is Gaussian. Negentropy is defined as
[11] [12] In particular, many biologists have taken to speaking in terms of the entropy of an organism, or about its antonym negentropy, as a measure of the structural order within an organism. [ 11 ]
In 1974, reflecting his interests in quantum physics, he proposed the term "syntropy" to replace "negentropy". Ralph Moss, a protégé during his cancer research years, wrote a biography, Free Radical: Albert Szent-Gyorgyi and the Battle over Vitamin C. [ 21 ] Aspects of his work are an important precursor to the understanding of redox signaling .
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The word was adopted into the English language in 1868. Later, scientists such as Ludwig Boltzmann , Josiah Willard Gibbs , and James Clerk Maxwell gave entropy a statistical basis. In 1877, Boltzmann visualized a probabilistic way to measure the entropy of an ensemble of ideal gas particles, in which he defined entropy as proportional to the ...
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The particle can then be left to isothermally expand back to its original equilibrium occupied volume. In just the right circumstances therefore, the possession of a single bit of Shannon information (a single bit of negentropy in Brillouin's term) really does correspond to a reduction in the entropy of the physical system. The global entropy ...
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