Kangajutsu - Kangajutsu

... The shape of the forehead can be used to infer not only the shape of the brain but also its activity, so physiognomy and phrenology have long discussed the relationship between the forehead and character and intelligence. One branch of physiognomy is even the art of viewing the forehead. Hegel also said that the forehead indicates thoughts, reflection, and the inward functions of the mind. ...

*Some of the terminology explanations that refer to "Kankyojutsu" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　額の形は，脳の形状ばかりかその活動状態も推測させたので，古来人相学や骨相学では額と性格や知性との関係を論じてきた。人相学の一部門には観額術なるものまであった。ヘーゲルも額には思念や反省や精神の内向作用がうかがわれると述べた。…

※「観額術」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報