Intervention1: Entropy monitoring: Entropy monitoring, a combination of EEG and EMG measurements, will be used to assess the depth of anesthesia during the study. This involves applying a self-adhesiv

The study compares using brain activity measurements and the loss of verbal response to decide how much propofol should be given for anesthesia in adult patients undergoing elective surgeries. The research randomly assigned participants to different groups.

The study compares using brain activity measurements and the loss of response to verbal commands to decide how much drug propofol should be given for anesthesia in older patients. The research randomly assigned participants to different groups to analyze the effectiveness of these two methods