Stock Photo - Ivan Petrovich Pavlov 1849 – 27 February 1936. Russian physiologist. Ivan Pavlov developed the concept of 'conditioned reflex' He had come to learn this concept of conditioned reflex when examining the rates of salivations among dogs

Stock Photo: Ivan Petrovich Pavlov 1849 – 27 February 1936. Russian physiologist. Ivan Pavlov developed the concept of 'conditioned reflex' He had come to learn this concept.

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