In 1950, the Soviet government organized the Joint Scientific Session of the USSR Academy of Sciences and the USSR Academy of Medical Sciences, the "Pavlovian session". Several prominent Soviet physiologists (L.A. Orbeli, P.K. Anokhin, A.D. Speransky, I.S. Beritashvily) were attacked for deviating from Pavlov's teaching.[citation needed] As a consequence of the Pavlovian session, Soviet physiologists were forced to accept a dogmatic ideology; the quality of physiological research deteriorated and Soviet physiology excluded itself from the international scientific community.[10] Later Soviet biologists heavily criticised Lysenko's theories and pseudo-scientific methods.