‘When I don’t have red, I use blue.’ –Picasso

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Ivan Pavlov is best known as a founding figure of behaviorism who trained dogs to salivate at the sound of a bell. […] Pavlov didn’t use a bell, and for his real scientific purposes, couldn’t. English-speakers think he did because of a mistranslation of the Russian word for zvonok (buzzer). […]

Although one would expect that this investigator of reflexive reactions would think otherwise, he believed in free will. […]

He didn’t win his Nobel Prize (1904) for research on conditional reflexes, but rather for his studies of digestive physiology.

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