The goal of this clinical trial is to learn if a new type of brain stimulation called theta-burst patterned temporal interference stimulation (tTIs) works to improve awareness in people with disorders of consciousness (DoC). The main questions it aims to answer are: 1. Does tTIs help people with disorders of consciousness show more signs of awareness? 2. Does tTIs improve the brain's ability to process information and connect different brain areas? Is tTIs safe and easy for people with disorders of consciousness to tolerate? Researchers will compare a group receiving active tTIs to a group receiving a "sham" stimulation (a look-alike stimulation that delivers no real current) to see if the real stimulation works better. Participants will:Receive either active tTIs or sham stimulation twice a day for 5 consecutive days (total of 10 sessions). Undergo brain activity tests (EEG) and physical exams to check their level of awareness before and after the 5 days of treatment. Have their progress followed by researchers through phone calls at 1, 3, and 6 months after the treatment ends.
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Change in Coma Recovery Scale-Revised (CRS-R) Total Score
Timeframe: Baseline and within 24 hours after the completion of the 5-day intervention.