By the middle and late Edo period, however, due to the boom of the study in Japanese classical literature and the appeal by scholars of Japanese classical literature for a resurgence of ancient Japanese spirits and culture, research on Shinsosai was also carried out, and campaigns to promote funerals based on Japan's ancient faith (Shinsosai Movement) were pursued.
だが江戸時代の中後期になると、国学の興隆によって国学者たちが日本古来の精神・文化に立ち返ろうと訴える中で、神葬祭の研究も行なわれるようになり、日本古来の信仰に基づいた葬儀を求める運動（神葬祭運動）がおこった。