What question did this study set out to answer?

To investigate the timing and impact of new-onset dual sensory impairment on cognitive decline.

April 8, 2026Alzheimer s & Dementia0 citationsOpen Access

Trajectories of cognitive decline before and after new‐onset dual sensory impairment: findings from two longitudinal studies

MZMiwen ZouWenzhou Medical University HGHuping GongGannan Medical University BCBinyan ChenWenzhou Medical University

Key Points

To investigate the timing and impact of new-onset dual sensory impairment on cognitive decline.
Analyzed data from two longitudinal studies
Assessed cognitive function before and after incident dual sensory impairment
Compared trajectories of cognitive decline pre- and post-DSI onset
Participants showed accelerated cognitive decline after new-onset dual sensory impairment
No significant cognitive decline was observed before the onset of dual sensory impairment
Incident DSI correlates with cognitive decline, but only after it occurs

Abstract

Participants experienced accelerated cognitive decline upon developing new-onset DSI. Incident DSI is associated with accelerated cognitive decline after, but not before, the event.

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