In fact, the use of the earthen figures had disappeared for a time in the middle of the Jomon period after they were used extensively in the east part of the Kanto region in the first half of the earlier Jomon period.
すなわち、縄文早期の更に前半期に関東地方の東部で集中的に使用された後、縄文中期に土偶の使用は一旦消滅している。