At the same time Voll was carrying out his research, a Japanese doctor named Nakatani was using an electrical device to test patients. Nakatani also discovered numerous points of low electrical resistance which he connected into pathways.
與傅爾同時，在日本也有一位醫師中谷義雄利用電子儀器，在測量病患時，發現人體上有許多低電阻點，他把這些點連結成線，稱之為「良導絡」。