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Loneliness Doesn't Speed Memory Decline
14 Apr
Summary
- Loneliness impacts initial memory but not its speed of decline.
- Study tracked over 10,000 adults aged 65-94 across Europe.
- Southern European countries reported highest loneliness levels.
A comprehensive seven-year study of over 10,000 European adults aged 65 to 94 has yielded surprising results regarding loneliness and memory.
The research, published in Aging & Mental Health, indicates that loneliness significantly impacts the initial state of memory but does not hasten the speed of cognitive decline over time.
Participants reporting high levels of loneliness performed worse on memory tests at the study's outset. However, their rate of memory recall decline mirrored that of participants with lower loneliness levels over the seven-year period.
This finding suggests loneliness may play a more crucial role in the immediate memory function rather than its progressive deterioration. The study excluded individuals with a history of dementia and factored in lifestyle elements like physical activity and depression.
Southern European countries reported the highest prevalence of loneliness, with 12% of participants experiencing it. In contrast, central European regions reported 6% and northern and eastern regions reported 9%.
Previous research has also linked childhood loneliness to an increased risk of adult cognitive decline, highlighting the enduring impact of social connection on brain health. Experts emphasize that addressing modifiable risk factors, including social isolation, can potentially reduce dementia cases globally.
