An fNIRS Study of Motor Cortical Activation in Stoke Patients

Inclusion Criteria: * The diagnosis of ischemic stroke should meet the diagnostic criteria of the "China Guidelines for the Diagnosis and Treatment of Acute Ischemic Stroke 2018". * 18 years old≤ age ≤ 75 years old. * Cerebral ischemic stroke onset within 7 days. * First onset. * Upper limb motor dysfunction. Exclusion Criteria: * Unstable vital signs. * Complicated with other diseases in the nervous system. * Combined with other serious disease states: circulatory system, respiratory system, * motor system diseases, such as atrial fibrillation, heart failure, lung infection, severe liver and kidney dysfunction, lower limb venous thrombosis, etc. * Upper limb dysfunction caused by other reasons, such as fractures, upper limb deformities, etc. * Contraindicated to imaging tests, such as metal implantation, claustrophobia, and severe obesity. * Those who cannot complete the examination due to other reasons, such as mental disorders, cognitive dysfunction, etc. * Other causes: alcoholism; pregnancy; skull defects; soft tissue injuries at the site of examination; visual impairment, etc.