Background
age-associated cognitive impairment, dementia
The number of people with age-associated cognitive impairment is increasing rapidly [The strategy for dementia in Japan is important worldwide because Japan has the highest proportion of older people in the world. Early detection and therapeutic intervention for aging people before the onset of dementia are important [However, there is an imbalance between the number of professionals who can administer detailed neuropsychological assessments and the number of older people who need such assessments [Remote neuropsychological assessment using video teleconferencing (VTC) systems has been proposed as a potential solution [Internationally, the validity of several types of remote tests using VTC has been reported [Furthermore, because the equipment specialised for VTC used for validation in previous studies are expensive in Japan [