Graduate School of Health Sciences, Hirosaki University, Aomori, Japan;
School of Medicine & Hospital, Hirosaki University, Aomori, Japan;
Institute of Radiation Emergency Medicine, Hirosaki University, Aomori, Japan;
Faculty of Human Life Sciences, Tokushima Bunri University, Tokushima, Japan;
Concept; Map; Structural; Knowledge; Cognitive; Psychology; Learning;