Personality change ‘does not flag dementia’

US researchers, who followed a cohort of healthy adults for between 12 and 36 years, hoped that the dementia disease process might be identifiable by changes in personality before cognitive impairment sets in.

But they found that the trajectory of personality change among those who developed dementia was not significantly different to that of the other study participants.

The Baltimore Longitudinal Study of Ageing involved 2046 men and women with a mean age of 62 at baseline who self-reported personality traits including neuroticism, extraversion, openness, agreeableness