Cases were defined using the uk parkinson ' s disease society brain bank criteria 病例的确定按照英国帕金森病诊断标准来执行。
2.
Tissues were collected from routine post - mortem examinations in the hospital . we hope that demented individuals can donate their brains for the brain bank when they pass away or that relatives will do the same for patients dying with dementia 为了完备大脑库，中大呼吁患有老人痴呆的长者，同意在死后捐出大脑，或市民如有患有老人痴呆的长者去世，同意把大脑捐出作研究用途。
