Changes of event-related potentials P300 in patients with vascular dementia before and after medical treat-ment / 中华物理医学与康复杂志

Objective To study the value of event-related potentials P300 in evaluation of the cognitive function of patients with vascular dementia (VD).Methods P300 test and Mini-Mental State Examination (MMSE) assessment were carried out in 31 patients with VD before and after 16 weeks of treatment with the oral in- take of donepezil hydrochloride,30 age-matched normal subjects served as the controls.Results Before treatment, the score of MMSE in the VD patients was significantly lower than that in the control group (P