✍︎ Julia Marie Estrella
Loneliness may be quietly affecting people’s memory long before noticeable cognitive decline begins, according to a recent European study involving more than 10,000 older adults.
Researchers found that individuals who frequently experienced loneliness tended to perform worse on memory tests compared to those with stronger social connections. Surprisingly, however, the study revealed that loneliness did not necessarily accelerate memory deterioration over time.
The research, published in Aging & Mental Health, followed 10,217 adults aged 65 to 94 from 12 European countries over a seven-year period using data from the Survey of Health, Ageing and Retirement in Europe (SHARE). Participants underwent immediate and delayed recall tests while researchers also evaluated their emotional well-being, social engagement, and health conditions.
Results showed that people reporting higher levels of loneliness consistently scored lower on memory assessments from the beginning of the study. Despite these lower starting scores, their memory declined at nearly the same rate as participants who reported feeling less lonely.
Lead researcher Dr. Luis Carlos Venegas-Sanabria explained that loneliness may influence baseline memory performance rather than directly accelerating cognitive decline. The findings challenge long-standing assumptions that loneliness automatically leads to faster dementia progression.
Researchers also discovered that lonely individuals were more likely to experience conditions such as depression, diabetes, and hypertension, all of which are known to affect brain function and memory. These overlapping health concerns may partly explain the weaker memory performance observed among socially isolated individuals.
Although the findings suggest that loneliness may not directly worsen memory decline over time, experts emphasized that emotional isolation remains a major public health concern. Previous studies have already linked chronic loneliness to increased risks of anxiety, depression, cardiovascular disease, and cognitive problems among older adults.
The researchers are now encouraging healthcare providers to pay closer attention to loneliness during routine cognitive and mental health screenings. They also stressed the importance of maintaining meaningful social relationships, physical activity, and emotional support systems to help protect overall brain health as people age.
Sources: https://scitechdaily.com/loneliness-may-hurt-memory-but-not-in-the-way-you-think/
