Substances associated with the regulation of food intake rate leading overweight, obesity, were reviewed for their roles in the body weight control pathway. Feedback mechanisms in food intake were reviewed focusing on the driving force of eating motivation. Definition of hunger and fullness along with virtual food developed by Chun(2002) was discussed. Effective hunger was defined on the basis of virtual food. Relationship of consciousness elements with food emotion and evaluation were reviewed with food frequency curve of subjects experimentally obtained with cooked rice and potato flake. Clustering analysis of consciousness effect showed roles of the layers of consciousness,

• 전재근(서울대학교 농업생명과학대학 농생명공학부 식품공학과) | Jae Kun Chun Corresponding author