Non-Invasive Brain-Computer Interface Combined With Transcranial Electrical Stimulation for Peripheral Facial PalsyStimulation in the Treatment of Peripheral Facial Palsy

Inclusion Criteria

• •Aged 18-70 years, regardless of sex.
• •Unilateral peripheral facial nerve palsy.
• •House-Brackmann (HB) grade II-VI.
• •Able to cooperate with target facial movement tasks and provide written informed consent, with intact cognitive function and good communication ability.
• •Good skin condition, with no severe skin lesions or facial skin grafts; no implanted electronic devices such as cardiac pacemakers or deep brain stimulators, to avoid electrophysiological interference.
• •Non-pregnant and non-lactating women, in accordance with regulatory requirements for minimal-risk research.