He called Ferris that evening.
Ferris answered on the third ring with the careful tone of someone who had not fully decided what kind of call this was going to be before picking up.
Hunter told him about Nana Acheampong. The research. The entrainment mechanism. The frequency mapping session. The therapeutic window. He told him precisely what the protocol would involve — proximity rather than contact, thirty to forty-five minutes per session, twenty to thirty sessions over six to eight weeks. He told him Ferris would be the first clinical application of the mechanism with a non-device field source.
He told him that last part because Nana had said informed consent required it and because Ferris deserved to know what he was agreeing to.
Ferris was quiet for a long time after Hunter finish
