Transcranial Pulse Stimulation for Alzheimer's Disease

This study is testing a non-invasive brain stimulation technique called Transcranial Pulse Stimulation (TPS) — which uses brief ultrasound pulses aimed at the brain — to see if it can improve memory and thinking in people with early-stage Alzheimer's disease. **You may be eligible if...** - You are between 60 and 90 years old - You have been clinically diagnosed with Alzheimer's disease at an early stage - A geriatrician has confirmed you have the mental capacity to agree to participate - You have a family caregiver who can assist and answer questionnaires **You may NOT be eligible if...** - You cannot understand Chinese (the study is conducted in Chinese) - You are unable to provide informed consent - You cannot remain still for 30 minutes - You have a brain tumor, brain aneurysm, metal implants in the brain, blood clotting disorders, or a history of blood clots - You have significant alcohol or substance dependence Talk to your doctor to see if this trial is right for you.