Table 1.

Reagents and apparatus used in research.

Reagents and apparatus	Source	Details
Donepezil Hydrochloride Tablets	eisai (China) Co., Ltd	Certificate number: H20050978, specification: 5 mg per pill × 10 pills
Disposable sterile acupuncture needle	Beijing Zhongyan Taihe Medical Instrument, Co., Ltd	Model: ZYTH2013030504, specification: 0.25 mm × 13 mm
Electro-acupuncture (EA) apparatus	Peking University Institute of Science Nerve and Beijing Hua Wei Industrial Development Company	Model: HANS-LH202
18F-FDG tracer	PET-CT Center, Cancer Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College	—
Inveon Micro PET/CT scanner	Siemens Preclinical Solution USA, Inc., Knoxville, TN, USA	Provided by the Institute of Laboratory Animal Science, Chinese Academy of Medical Sciences and Comparative Medical Center, Peking Union Medical College
Morris water maze	Shanghai Xinruan Information Technology, Co., Ltd	Model: XR-XM101
Software of image acquisition and analyzing system	China Daheng Group, Inc.	China Daheng Group, Inc., Beijing Image Vision Technology Branch