Two cores are named differently from what is cited from Portal 2: The Official Guide, Knowledge Core (Shared by intelligence core and cake core) and Emotion Core (anger core). The book must be purchased, but on Future Press' website, one of the points highlighted is An audience with Valve, indicating that the book is using terms officially coined by developers.
An in-depth interview with the key figures from the development team of Portal and Portal 2. More than 20 pages filled with background information and also about the making of the two games.
However, should the personality cores be given qualifiers? Like curiosity core (portal) or curiosity (personality core). Or should the three tags just get aliased to knowledge core and emotion core?