Intra-Sessional Autonomic Arc Detection in Ketamine-Assisted Therapy for PTSD: A Signal Characterisation Pilot Study

Abstract

This study examines whether a continuous wearable biosensor and a proprietary signal detection algorithm (JungleCODE, Open Medicine Studio) can detect and characterise the autonomic nervous system arc - a trajectory from a state of high physiological arousal (aporia) to a state of regulated calm (ataraxia) - during ketamine-assisted therapy (KAT) sessions in adults with post-traumatic stress disorder (PTSD). Participants independently arrange their own ketamine-assisted therapy sessions with a licensed British Columbia provider. The researcher does not administer ketamine or any other substance. The researcher's role is continuous physiological monitoring via a wrist-worn biosensor (EmbracePlus, Empatica) and a structured post-session interview only. The primary purpose is to determine whether the JungleCODE arc-position detection algorithm can identify a consistent, characterisable autonomic trajectory within KAT sessions, and to assess the feasibility of this monitoring protocol. This is a pilot signal characterisation study (N=2-6); no therapeutic outcomes are assessed and no clinical claims are made.

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