Hasegawa scale is an application that can easily perform a test of cognitive ability. There are nine problems. Disorientation, short-term memory, and working memory can be examined.
(About personal information) In order to be tested accurately, you will need to register your date of birth and where you are now (choose from a home, hospital or nursing home) on a dedicated site (https://www.voice-ui.work). You are not required to register your personal information; if you do not, please answer as your date of birth (1900/1/1) and where you are now (home).