sentences:  In 1341 the dispute came before a synod held at Constantinople and was presided over by the Emperor Andronicus; the synod, taking into account the regard in which the writings of the pseudo-Dionysius were held, condemned Barlaam, who recanted and returned to Calabria, becoming a bishop in the Roman Catholic Church.Three other synods on the subject were held, at the second of which the followers of Barlaam gained a brief victory.In 1351, at a synod under the presidency of Emperor John VI Cantacuzenus, Hesychast doctrine and Palamas' Essence-Energies distinction was established as the doctrine of the Orthodox Church.