NEW YORK—Low gamma-range auditory response is a reliable marker for loss of consciousness during general anesthesia, according to the results of a study presented at the 2024 annual PostGraduate Assembly in Anesthesiology. Researchers analyzing EEG data from patients undergoing propofol-remifentanil anesthesia discovered that auditory responses in the 28- to 50-Hz range were reliably diminished during unconsciousness, reinforcing the role of gamma activity in maintaining
JUNE 12, 2025