The emotional state module is doing a lot of work: It’s meant to represent all of our bodily needs, such as feeling hungry or tired, as well as our state of mind, such as feeling elated, frustrated, nostalgic, or intrigued. In this model, our emotional state can change based on what’s coming out of the action model, and it also filters that output into the recent memory module.
One of the flaws the Bene Gesserit have that Leto II the snake king has is that they always disassociate, seeing reality through a screen or filter, therefore can't take full advantage of their natural instincts and have been trained specifically to not listen to them.
That all changes in ChapterHouse Dune