Disclaimer: This is pretty outdated from the times when I sucked at identifying eye centric vs body centric motions:
I know that my previous attempts at going against your typings were probably wrong, but I'm going to provide reasons based on the CT codifier here. You can judge whether I identified them correctly or not.
I'm gonna base my findings on this video, that was probably used for the initial NiTe assessment:
https://www.youtube.com/watch?v=ga32RsGoNYY&t=175s
During the entire video he presents J angularity in P casual hands which is a sign of subordinate perception, such as:

or

He is doing some sort of up-down motions with his feet during the video which are probably signs of nervousness which can be confused with P lead fluidity.
He's not presenting many head motions in this videos in order to clearly identify the difference between eye and body centricity.
This is what I've found though:

He does a brief head tilt to the right with a slight turn to the left which doesn't affect the orientation of the torso.
He seems more accustomed to the camera in this video: https://www.youtube.com/watch?v=h3LgNDbz5yo, so I could identify more clear signals.
I'm gonna list some gifs that show body(face) centric motions:

 



I can't identify instances that resemble eye centric motions. If someone can identify them, I'm very open to responses and restructuring my own understanding, so I encourage responses from people.
So, gamma Je dom seems more solid than gamma Pi dom.