Exploring relationships among neuropsychiatric symptoms, subjective cognitive complaints, cognitive performance, and incident dementia: Findings from the Sydney Memory and Ageing Study

NPS is associated with poorer global cognition and, with or without SCC, is a significant long-term risk factor for dementia. The findings highlight the potential importance of considering NPS alongside cognitive features, and suggest that assessing both neurobehavioral and neurocognitive dimensions could offer a more comprehensive risk assessment in cognitively normal individuals.