Effect of Prophylactic Application of 40Hz Transcranial Stimulation in AICU on Incidence of Postoperative Delirium in Elderly Patients Undergoing Elective Gastrointestinal Surgery

Exogenous 40HZ stimulation is a physical intervention that can drive oscillations in the gamma range, and the oscillations and pulses caused at the corresponding frequency can lead to a significant reduction in β-amyloid, reverse tau hyperphosphorylation, and thereby improve the cognitive function of patients.