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Aim
To assess the validity of self‐reported articulatory oral motor skill against objectively measured repetitive articulatory rate (oral diadochokinesis [oral‐DDK]) as a gold standard index for articulatory oral motor skill in community‐dwelling older Japanese adults.
Methods
This cross‐sectional study included 607 Japanese adults (mean age = 73.9 years). A single‐item self‐report questionnaire...
Aim
The aim of this study was to investigate initial symptoms of early‐onset dementia (EOD) for each dementia subtype.
Method
We conducted a nationwide, population‐based EOD prevalence study in Japan. Data were collected through service providers for people with EOD. Initial symptoms were assessed in six domains: loss of memory, difficulty in word generation, irritability, loss of motivation, increased...