The goal of this clinical trial is to learn about on dysphagia in wallenberg syndrome. The main questions it aims to answer are: the efficacy of Virtual Reality Therapy in the rehabilitation of patients with dysphagia in Wallenberg syndrome. Participants received conventional dysphagia treatment and Virtual Reality Therapy once a day for 14 days. Researchers compared the control group to see the effect and mechanism of Virtual Reality Therapy.
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Inclusion Criteria: * age more than 18, and right-handed; * first onset, vital signs stable and conscious; * the dysphagia confirmed by videofluoroscopic swallowing study; * no cognitive impairment, the mini-mental state examination score: \>17 for those with an illiterate education, \>20 for those with an elementary education, and \>24 for those with a secondary education and above; * cranial integrity without craniotomy and/or craniectomy; * patient and/or his/her relative agrees and signs written informed consent. Exclusion Criteria: * combined ischemic foci at other sites; * presence of organic swallowing dysfunction or pre-existing dysphagia due to Parkinson's disease, dementia, and others; * severe cardiac, pulmonary, hepatic, and renal insufficiency and vital organ failure; * infected or broken skin on the head; * poorly controlled epilepsy; * poor patient compliance.