EWA DB Early Warning of Alzheimers speech database

This corpus contains data from 3 clinical groups: Alzheimer's disease, Parkinson's disease, mild cognitive impairment, and a control group of healthy subjects. Speech samples of each clinical group were obtained using the EWA smartphone application, which contains 4 different language tasks: sustained vowel phonation, diadochokinesis, object and action naming (30 objects and 30 actions), and picture description (two single pictures and three complex pictures).本语料库包含3类临床群组与健康受试者对照组的数据，分别为阿尔茨海默病（Alzheimer's disease）患者组、帕金森病（Parkinson's disease）患者组、轻度认知障碍（mild cognitive impairment）患者组，以及健康受试者对照组。所有受试群组的语音样本均通过EWA智能手机应用采集，该应用涵盖4类不同语言任务：持续元音发声、轮替运动（diadochokinesis）、物体与动作命名任务（包含30个物体与30个动作），以及图片描述任务（包含2张单幅图片与3张复杂图片）。