Neuroscientists have long suspected a connection between loneliness and cognitive decline in older adults, but the precise nature of this link remains unclear. A new longitudinal study now provides evidence that loneliness may contribute to memory impairment, though it does not necessarily hasten the aging of the brain.
The findings, published in Aging Mental Health, indicate that older adults experiencing higher levels of loneliness performed worse on tests measuring both immediate and delayed recall. However, over a six-year period, their rate of memory decline mirrored that of their non-lonely peers.
“It suggests that loneliness may play a more prominent role in the initial state of memory than in its progressive decline,”
said Luis Carlos Venegas-Sanabria, lead researcher and faculty member at the School of Medicine and Health Sciences, Universidad del Rosario.
Venegas-Sanabria added, “The study underscores the importance of addressing loneliness as a significant factor in the context of cognitive performance in older adults.”
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