TaVNS for Acute Intracerebral Hemorrhage

Place the stimulation device on the left auricle and set the stimulation parameters according to the following conditions: a. Waveform: biphase, square wave; b. Wave width: 200 μs; c. Frequency: Alternating between low frequency (4 Hz for 4 s), high frequency (40 Hz for 8 s), and a 4 s pause; d. Intensity: The maximum intensity that induces the strongest sensation the individual can tolerate without causing pain, usually 1.5-3.5 mA; e. Treatment duration: Each treatment lasted 30 minutes, twice daily (8:00, 16:00) for 10 days.

The sham taVNS group received the same parameters with a current intensity of 0.06 mA.