"How come I can't see the wires on your head?" An elderly lady tiptoed and carefully looked over Mr. Chen's head... This amusing scene took place at a free clinic event held on "World Parkinson's Day." Yesterday (April 11), the Parkinson's disease and extrapyramidal system diseases specialist group at Huaxi Hospital held a health knowledge lecture and free clinic for Parkinson's disease. Three special individuals appeared: they were all Parkinson's patients who had recently had a computer implanted. They demonstrated their post-implant daily lives to fellow patients.