What this center is about
The Head is one of the two pressure centers (the other is the Root). Its pressure is mental: the need to understand, to find meaning, to get an answer. The Head itself doesn't decide or act. It only passes the pressure on to the Ajna, where thoughts are processed. It connects to the rest of the bodygraph only through the Ajna, by three channels. Biologically it's linked to the pineal gland.
Defined Head
A defined Head means a constant pressure and a consistent kind of question. Not one single question, but a range of themes the mind keeps coming back to. The Head is always defined together with the Ajna, so for this person the mind is almost always busy: the question starts the thinking, and the fuel for it comes from the Head.
People around them catch their questions and start thinking in the same direction. It helps to remember that not every question needs an immediate answer. Often it's more useful as inspiration, for creative work or for other people.
Open Head
An open Head takes in other people's questions and inspiration and amplifies them. Around people with a defined Head the mind becomes very active, and alone it quietens down. That isn't a flaw: someone with an open Head isn't built to think all the time. That's why they know real inner silence, fall asleep more easily and can shift their attention more easily.
Trap (not-self): taking other people's questions for your own and trying to answer them. Someone can spend years on a theme that really came from another person or a book, living a life that isn't theirs. The result is mental fatigue, anxiety and sleepless nights.
Gift: over time an open Head learns to tell questions apart by their weight. It can be inspired by the widest range of ideas without clinging to any, tell valuable inspiration from everyday noise, and point others to the questions that really matter.
A question to ask yourself
Am I still trying to answer questions that have nothing to do with me?