Because the application of right-brain theory is still in its infancy, many still have doubts about the efficacy of right-brain teaching methods. Even in Japan, where there are more than 300 Shichida Schools dedicated to the use of Shichida Makato's right-brain techniques, the methodology has not been accepted into the mainstream educational system.
由於右腦理論的運用仍在起步階段，作法也引起不少質疑，而以七田真教育法為號召的學校，雖在日本一地就有三百多所，但卻一直無法被正規教育體系接納。