??? ?? ?? ?? ???? ????? ????? ??? ?? ???? ???? ????? ??????? ?????? ???? ??, ?????? ????? ?? ?? ??????????? ??????? ???? ??.Drawing by Santiago Ramón y Cajal of two sorts of Golgi-stained neurons in the cerebellum of a pigeon In the main 50 % on the 20th century, developments in electronics enabled investigation in the electrical Homes of nerve ce