ALEXANDRIA, Va., July 30 -- United States Patent no. 12,369,856, issued on July 29, was assigned to The General Hospital Corp. (Boston).

"Systems and methods to infer brain state during burst suppression" was invented by Patrick L. Purdon (Somerville, Mass.), Emery N. Brown (Boston), Laura D. Lewis (Cambridge, Mass.), Brandon M. Westover (Belmont, Mass.) and ShiNung Ching (Cambridge, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods are provided for monitoring a subject, and particularly, for inferring an underlying brain state present in absence of current conditions. In some aspects, a method for monitoring the subject is provided including steps of receiving physiological feedback f...