Central South University

This trial tests whether watching a 30-40 minute augmented-reality animation that shows a child's journey through surgery can reduce anxiety in children aged 3-12 before adenotonsillectomy. Half the children will watch the animation before surgery, while the other half receives s…

This study tested whether metformin, a drug used for diabetes, can improve cognitive problems in people with schizophrenia. 120 participants took either metformin or a placebo for 24 weeks. Researchers measured changes in thinking skills and brain scans to see if metformin helps.

This study tests a non-invasive brain stimulation technique called tACS in 50 children and teens aged 6-18 with ADHD. The goal is to see if a mild electrical current applied to the scalp can improve attention and executive function. Participants will receive both real and sham st…