Psychology 101 Topic is a term used to describe the study of the human mind and behavior. The two crossword solutions for this term are EGO (3 letters) and EGOOID (6 letters). EGO is a term used to refer to the conscious mind, which is the part of the mind that is aware of one's own identity and thoughts. Egooid is a term used to refer to the unconscious mind, which is the part of the mind that is not aware of one's own identity and thoughts.