"The Sun-Paul must consider only one thing: what is the relation of this or that external reaction of the animal to the phenomena of the external world?"
— Ivan Pavlov

January 1, 1970

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Academics from RussiaAtheists from RussiaNobel laureates in Physiology or MedicinePhysicians from RussiaPsychologists from Russia
Original Language: English

Sources

Scientific Study of So-Called Psychical Processes in the Higher Animals (1906).