Among the human ancestors, the brain size was more than 1000 c.c. in
Homo neanderthalensis
Homo neanderthalensis had cranial capacity of 1300-1600 cubic centimeters about the same as that of the modern man which is more as compared to habilis (650-800 cubic centimeters),Homo erectus (800 cubic centimeters) and (300-350 cubic centimeters).